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While sometimes the jobs run without any problem, and in other cases there are errors that can tell how to troubleshoot, in this case it seems there is no explanation from IBM.

Has anyone had similar problems? What is the solution?

The circuit is correct. It is not clear why the transpiling was "cancelled". This is not a one-time rare incidence. It is running fine on other devices.

enter image description here

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  • $\begingroup$ No Status Description? $\endgroup$
    – luciano
    May 14 at 12:38
  • $\begingroup$ No, nothing at all. $\endgroup$
    – quantum
    May 14 at 13:27
  • $\begingroup$ Still happening. $\endgroup$
    – quantum
    Sep 11 at 5:39

1 Answer 1

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You can check out the error message in https://quantum-computing.ibm.com/jobs/<job id>:

screenshot of a job in the IBM Quantum website

With the IBM Quantum Qiskit provider, you can also do this:

from qiskit import IBMQ
provider = IBMQ.enable_account('<your token>')
backend = provider.get_backend('<backend name>')
job = backend.retrieve_job('<job id>')
job.error_message()

If you see now message, maybe it is time to ask in the #ibm-quantum-systems slack channel.

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  • $\begingroup$ The status description does not exist for my case. It's simply not there. I also checked the error page, nothing there. $\endgroup$
    – quantum
    Sep 12 at 14:11
  • $\begingroup$ job.error_message() does not return anything. $\endgroup$
    – quantum
    Sep 12 at 14:21
  • $\begingroup$ In that case, ask on Slack. $\endgroup$
    – luciano
    Sep 13 at 9:44

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