API Error Codes¶

1000

Error message

API Internal error.

Solution

Try the action again. If it happens again, contact IBM Quantum via Slack for help.

1001

Error message

qObject is larger than the maximum size.

Solution

Run a small Job. Split the circuits in smaller jobs.

1002

Error message

Error in the validation process of the job.

Solution

Check the Job, it is not valid to run on this backend.

1003

Error message

Error in transpilation process.

Solution

Check the Job, it is not valid to run on this backend.

1004

Error message

The Backend is not available.

Solution

Use another backend to run the job.

1005

Error message

Basis gates not available.

Solution

Use another backend with basis gates.

1006

Error message

Error during call to converter microservice.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

1007

Error message

Backend not found.

Solution

Check the backend name, maybe it is wrong.

1008

Error message

Error during the validation process of a job.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

1009

Error message

Required backend information not found.

Solution

Use another backend to run the job.

1010

Error message

Error returned at backend level.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

1011

Error message

Error publishing job at the backend queue

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

1012

Error message

The user reached the maximum number of jobs running concurrently.

Solution

Wait until some previous jobs were finished. You can cancel pending jobs to run new jobs.

1101

Error message

Qobj does not conform to the schema.

Solution

Verify the Qobj for your job conforms to the Qobj schema.

1102

Error message

The number of experiments in the Qobj is higher than the number of experiments supported by the backend.

Solution

Split the experiments into multiple jobs. The maximum number of experiments the backend supports can be found in its configuration data.

1103

Error message

The number of shots in the Qobj is higher than the number of shots supported by the backend.

Solution

Use fewer shots. The maximum number of shots the backend supports can be found in its configuration data.

1104

Error message

The Qobj requests memory measurement, but the backend does not support memory.

Solution

Run the job on a backend that supports memory or don’t request memory measurement. Whether a backend supports memory measurement can be found in its configuration data.

1105

Error message

The number of qubits used in the Qobj is higher than the number of quantum registers defined in the Qobj.

Solution

Correct your program and try again.

1106

Error message

The Qobj uses gates that are not among the backend’s basis gates.

Solution

Correct your program and try again. Transpiling your program will convert high level gates to basis gates. The basis gates for a backend can be found in its configuration data.

1107

Error message

The Qobj includes an instruction that assumes a coupling map that is different from the backend’s coupling map.

Solution

Correct your program and try again. Transpiling your program will map instructions to the correct qubits based on the backend’s coupling map. The coupling map for a backend can be found in its configuration data.

1108

Error message

The backend does not support open pulse.

Solution

Run the job on a backend that supports open pulse. Whether a backend supports open pulse can be found in its configuration data.

1109

Error message

The number of qubits used in the Qobj is more than the number of qubits supported by the backend.

Solution

Run the job on a backend that supports sufficient number of qubits for the job. The number of qubits a backend supports can be found in its configuration data.

1999

Error message

Planned outage. The service is undergoing maintenance.

Solution

Please wait. The service will be back up soon. The website portal will have more information about what the expected time window for the maintenance work is.

2000

Error message

Backend not found.

Solution

Check the backend name, maybe it is wrong.

2001

Error message

Backend not available for booking.

Solution

Use another backend to book a time slot.

2002

Error message

Backend not available for this action.

Solution

Use another backend.

2100

Error message

Invalid URL to Upload to Bluemix.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2200

Error message

A booking already exists.

Solution

Select another dates to book.

2201

Error message

Booking data is not valid.

Solution

Check the booking data, maybe it is wrong.

2202

Error message

Cannot cancel booking.

Solution

Check the booking to cancel.

2203

Error message

Provider does not have enough remaining time to book.

Solution

Use another provider to book or contact with your Group Administrator.

2204

Error message

User already has a booking on that date.

Solution

Select another dates to book.

2205

Error message

Booking not found.

Solution

Check the booking data, maybe it is wrong.

2206

Error message

Booking on calibration time.

Solution

Select another dates to book.

2300

Error message

Code ID not found.

Solution

Check the code data, maybe it is wrong.

2301

Error message

Code not updated.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2302

Error message

Code wrong.

Solution

Check the code data, maybe it is wrong.

2304

Error message

Error parsing QASM.

Solution

Check the code data, maybe it is wrong.

2305

Error message

Invalid Code.

Solution

Check the code data, maybe it is wrong.

2306

Error message

Invalid result.

Solution

Check the code data, maybe it is wrong.

2307

Error message

QASM transpilation error.

Solution

Check the code data, maybe it is wrong.

2308

Error message

User role not found.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2309

Error message

Code not found.

Solution

Check the code data, maybe it is wrong.

2310

Error message

Failed to export.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2311

Error message

Image wrong.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2313

Error message

QASM not found.

Solution

Check the code data, maybe it is wrong.

2400

Error message

Error wrong data received.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2402

Error message

Maximum attempts reached.

Solution

Reduce the number of concurrent requests

2403

Error message

Missing data in HTTP request.

Solution

Check your request to the endpoint.

2404

Error message

Model not found in database.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2405

Error message

Error saving new data.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2407

Error message

Authentication required.

Solution

Try to login again.

2408

Error message

Invalid Access Token.

Solution

Try to login again.

2409

Error message

Forbidden.

Solution

You don’t have access to do the action.

2410

Error message

Service not accesible.

Solution

You don’t have access to do the action.

2411

Error message

Operation not available.

Solution

You don’t have access to do the action.

2412

Error message

Error retrieving data from database.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2600

Error message

Configuration not available for this system.

Solution

Try to use another backend.

2602

Error message

System not allowed.

Solution

Try to use another backend.

2603

Error message

Error getting topology attributes.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2604

Error message

Error getting topology queues.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2609

Error message

Properties are empty.

Solution

Try to use another backend.

2614

Error message

Topology without kind established.

Solution

Try to use another backend. Contact an IBM Q Administrator

2615

Error message

The system is not available.

Solution

Try to use another backend.

2616

Error message

This system can only be used for running jobs. Try the Jobs API.

Solution

Try to use another backend.

2618

Error message

Basis gates not available.

Solution

Try to use another backend.

2620

Error message

System not found.

Solution

Try to use another backend.

2622

Error message

Properties not found.

Solution

Try to use another backend.

2900

Error message

An error occur getting the hub.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2901

Error message

Error checking hub or group administrators.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2902

Error message

Error checking systems in the Hub.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2903

Error message

Hub info not found.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2904

Error message

Invalid backend to configure for booking.

Solution

Use another backend.

2905

Error message

Invalid parameters to configure for booking.

Solution

Check the booking configuration.

2906

Error message

Invalid priority value.

Solution

Change the priority Value.

2907

Error message

System not available for Hub.

Solution

Use another backend.

2908

Error message

Error checking user in the Hub.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

2909

Error message

Group not found.

Solution

Use another Group.

2910

Error message

Hub not found.

Solution

Use another Hub.

2911

Error message

Invalid Hub/Group/Project.

Solution

Use another provider.

2912

Error message

Invalid mode to configure for booking.

Solution

Use another mode to book a backend.

2913

Error message

Project not found.

Solution

Use another project.

2914

Error message

This hub is not allowed to view analytics.

Solution

Use another hub.

3200

Error message

Backend not valid.

Solution

Use another backend.

3202

Error message

Cannot get presigned download url.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3203

Error message

Cannot get presigned upload url.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3204

Error message

Error during call to converter microservice.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3207

Error message

Job access not allowed.

Solution

Access to another Job.

3208

Error message

Job not cancelled.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3209

Error message

Job not running.

Solution

Check if the action makes sense.

3210

Error message

Job not saved.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3211

Error message

Job not valid.

Solution

Check the Job sent, maybe it is wrong.

3212

Error message

Job not validated.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3213

Error message

Job status not valid.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3214

Error message

Job transition not valid.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3215

Error message

Job without code identificator.

Solution

Check the Job sent, maybe it is wrong.

3216

Error message

Limit not valid.

Solution

Change the limit sent into the request.

3218

Error message

Number of Shots not allowed.

Solution

Change the number of shots.

3220

Error message

Payload not valid.

Solution

Change the body sent into the request. Maybe it has a wrong format.

3224

Error message

Q-Object memory not allowed.

Solution

Disable the memory parameter in the Job.

3226

Error message

Q-Object not valid.

Solution

Check the format of the Job. Maybe it is wrong.

3228

Error message

Q-Object-External-Storage property is not allowed in this backend.

Solution

Send the content of the Job inside of the body.

3229

Error message

QASM no longer accepted.

Solution

Use Q-Object format.

3230

Error message

Seed not allowed.

Solution

Don’t send seed parameter.

3233

Error message

The job cant be created.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3234

Error message

The job cant be validated.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3235

Error message

Job cost can not be calculated.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3236

Error message

The job is empty.

Solution

Check the job sent. Maybe it is empty.

3237

Error message

The job is invalid.

Solution

Check the job sent. Maybe it is wrong.

3239

Error message

Number of registers exceed the number of qubits.

Solution

Define the same creg than qreg.

3242

Error message

Circuit count exceeded.

Solution

Send less number of circuits in the Job.

3243

Error message

Circuit is too big.

Solution

Reduce the content of the circuit.

3245

Error message

The queue is disabled.

Solution

Use another backend.

3246

Error message

The queue is unavailable.

Solution

Use another backend.

3248

Error message

Your job is too long.

Solution

Reduce the content of the job.

3249

Error message

Job fields are empty.

Solution

Check the Job content. Maybe it is empty.

3250

Error message

Job not found.

Solution

Check the job Id to query. It is wrong.

3251

Error message

Job not uploaded to object storage.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3252

Error message

Object storage not allowed.

Solution

Send the job into the body of the request.

3254

Error message

The job is not in queue.

Solution

Check the status of the job.

3255

Error message

Invalid share level.

Solution

Update the share level.

3253

Error message

Timeout getting the result.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3300

Error message

Can not download job data.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3301

Error message

Can not upload job data.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3302

Error message

Job not found.

Solution

Check the job information. Maybe it is wrong

3400

Error message

License not found.

Solution

Accept the license.

3402

Error message

API key not found.

Solution

Regenerate the API Token.

3405

Error message

Codes not deleted.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3407

Error message

User API token not valid.

Solution

Check the API Token.

3409

Error message

Error deleting entities from user.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3410

Error message

Error deleting user relations.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3418

Error message

Failed to create the token for the user.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3422

Error message

Old password is incorrect.

Solution

Check your old password. It is wrong.

3423

Error message

Passwords do not match.

Solution

Check the password. It is wrong.

3424

Error message

Retrieving last version licenses, including future ones.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3425

Error message

Retrieving last version licenses.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3440

Error message

Authentication is required to perform that action.

Solution

Try to login again.

3443

Error message

Failed to check login.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3444

Error message

License required. You need to accept the License.

Solution

Accept the license.

3445

Error message

Login with IBM ID required.

Solution

Login using IBM ID.

3446

Error message

Login failed.

Solution

Try to login again.

3452

Error message

The license is not accepted.

Solution

Accept the License.

3453

Error message

The license is required.

Solution

Accept the License.

3458

Error message

User reached the maximum limits of concurrent jobs.

Solution

Wait until some previous jobs were finished. You can cancel pending jobs to run new jobs.

3459

Error message

User is blocked by wrong password.

Solution

Wait 5 minutes to login again.

3460

Error message

User is blocked.

Solution

Contact an IBM Q Administrator.

3467

Error message

Failed to create or renew API token.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3468

Error message

Failed to get API token.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3500

Error message

Body is wrong.

Solution

Check the body of the request.

3704

Error message

Error to get status from Queue.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3811

Error message

Request not found.

Solution

Check the request that you are trying to do.

3900

Error message

Empty response from the stats micro-service.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3901

Error message

Error parsing stats.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3902

Error message

Error retrieving stats.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3903

Error message

Invalid date.

Solution

Update the dates

3904

Error message

Invalid end date.

Solution

Update the end date.

3905

Error message

Invalid input to the stats micro-service.

Solution

Check the query. It is wrong.

3906

Error message

Invalid key.

Solution

Check the query. It is wrong.

3907

Error message

Invalid start date.

Solution

Update the start date.

3908

Error message

Invalid stats type.

Solution

Check the query. It is wrong.

3909

Error message

Missing mandatory user stats info.

Solution

Check the query. It is wrong.

3910

Error message

Number of months too big.

Solution

Reduce the number of months.

3911

Error message

Stats micro-service is not available.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3912

Error message

Stats not found.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3913

Error message

Analytics stats not found.

Solution

Retry the action again. If it happens again contact IBM Quantum via Slack for help.

3914

Error message

Project level does not support aggregated analytics stats.

Solution

Try to use another project.

3915

Error message

Missing start and end dates and allTime not set to true for analytics stats.

Solution

Set start and end date in the query.

5201

Error message

Job timed out after {} seconds.

Solution

Reduce the complexity of the job, or number of shots.

5202

Error message

Job was canceled

Solution

None. Job was canceled.

6000

Error message

Too many shots given ({} > {}).

Solution

Reduce the requested number of shots.

6001

Error message

Too few shots given ({} < {}).

Solution

Increase the number of shots.

6002

Error message

Too many experiments given ({} > {}).

Solution

Reduce the number of experiments given at once.

6003

Error message

Too few experiments given ({} < {}).

Solution

Increase number of experiments.

7000

Error message

Instruction not in basis gates: instruction: {}, qubits: {}, params: {}

Solution

Instruction not supported by backend. Please remove the instruction shown in the error message.

7001

Error message

Instruction {} is not supported.

Solution

Remove unsupported instruction, or run on a simulator that supports it.

7002

Error message

Memory output is disabled.

Solution

Select a different backend or set memory=False in transpile / execute.

7003

Error message

qubits: {} and classical bits: {} do not have equal lengths.

Solution

Length of memory slots must be same as number of qubits used

7004

Error message

Qubit measured multiple times in circuit.

Solution

Remove multiple measurements on qubits.

7005

Error message

Error in supplied instruction.

Solution

Please refer to IQX gate overview and make sure the instructions are correct.

7006

Error message

Qubit measurement is followed by instructions.

Solution

Cannot perform any instruction on a measured qubit. Please remove all instructions following a measurement.

8000

Error message

Channel {}{} lo setting: {} is not within acceptable range of {}.

Solution

Set channel LO within specified range.

8001

Error message

qubits {} in measurement are not mapped.

Solution

Assign qubits to a classical memory slot.

8002

Error message

Total samples exceeds the maximum number of samples for channel {}. ({} > {}).

Solution

Reduce number of samples below specified limit.

8003

Error message

Total pulses exceeds the maximum number of pulses for channel: {}, ({} > {}).

Solution

Reduce number of pulses below specified limit.

8004

Error message

Channel {}{} is not available.

Solution

Must use available drive channels.

8006

Error message

Gate {}in line {}s not understood ({}).

Solution

This instruction is not supported. Please make sure that the gate name is correct and it is within the gate overview section of IQX website.

8007

Error message

Qasm gate not understood: {}.

Solution

The instruction is not understood. Please refer to IQX website and make sure the instruction is within the gate overview section.

8008

Error message

Unconnected Qubits.

Solution

Please refer to the qubit mapping for this backend in IQX website and make sure the qubits are connected.

8009

Error message

Measurement level is not supported.

Solution

The given measurement level is not supported on this backend. Please change it to 0-2 except the measurement level specified.

8011

Error message

Pulse experiments are not supported on this system.

Solution

Pulse experiment is not supported on this backend. Please use a backend that supports pulse to run this experiment.

8013

Error message

This backend does not support conditional pulses.

Solution

Conditionals are not supported on this backend. Please remove the conditional instruction in your program.

8014

Error message

reset instructions are not supported.

Solution

Reset instructions are not supported at this time for this backend. Please remove the reset instruction.

8016

Error message

Pulse {} has too few samples ({} > {}).

Solution

Please add more samples.

8017

Error message

Pulse not a multiple of {} samples.

Solution

Due to hardware limitations pulses must be a multiple of a given number of samples.

8018

Error message

Waveform memory exceeds the maximum amount of memory currently available.

Solution

Reduce the number of samples in the waveform.

8019

Error message

For channel {}{}, Final channel time exceeds max time ({} > {}).

Solution

Reduce the total length of pulse sequence on the specified channel.

8020

Error message

Circuit runtime is greater than the device repetition rate.

Solution

Circuit too long, reduce length of circuit.

8021

Error message

Acquires have durations of different length.

Solution

Set acquire operations to have the same length.

8022

Error message

Pulse {} has too many samples ({} > {}).

Solution

Reduce number of samples in the specified pulse.

8023

Error message

{0} {1} is an invalid entry. {0} should be a positive integer.

Solution

Make entry positive integer.

8024

Error message

At most one acquire currently supported per acquisition channel.

Solution

Use only one acquire command per channel.

8026

Error message

Supplied qubits ({0}) in acquire are not valid.

Solution

Fix the qubits specified in the acquire commands.

8027

Error message

Channel specified: {} is not available.

Solution

Channel does not exist on system.

8029

Error message

Repetition time ({0}) not supported.

Solution

Repetition time must be changed to a supported value.

8030

Error message

Repetition delay ({0}) not supported.

Solution

The delay is not supported.

8031

Error message

Submitted job is too long.

Solution

Reduced the length of the job.

9999

Error message

Internal error.

Solution

Contact IBM Quantum via Slack for help.