IBM Quantum Cloud Error Codes

Error Codes

6XXX

Error codes

Messages

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.

7XXX

Error codes

Messages

7000

Error message

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

Solution

Circuits must be constructed from backend basis gates.

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

Qubit and Clbits must be correctly mapped.

7004

Error message

Qubit measured multiple times in circuit.

Solution

Remove multiple measurements on qubits.

8XXX

Error codes

Messages

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.

-1

Error codes

Messages

-1

Error message

Internal error.

Solution

Contact IBM Quantum via email or slack for help.