frankharkins
commented
6 months ago @Sieglinde-IBMQuantum to confirm, did you get the following error when you just uncommented the lines
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
Cell In[3], line 14
11 from qiskit_ibm_runtime.fake_provider import FakeCairoV2
12 backend = FakeCairoV2()
---> 14 estimator = Estimator(backend)
15 estimator.options.resilience_level = 1
16 estimator.options.default_shots = 5000
File ~/Documents/documentation/.venv/lib/python3.11/site-packages/qiskit_ibm_runtime/estimator.py:132, in EstimatorV2.__init__(self, backend, session, options)
130 BaseEstimatorV2.__init__(self)
131 Estimator.__init__(self)
--> 132 BasePrimitiveV2.__init__(self, backend=backend, session=session, options=options)
134 if self._service._channel_strategy == "q-ctrl":
135 raise NotImplementedError("EstimatorV2 is not supported with q-ctrl channel strategy.")
File ~/Documents/documentation/.venv/lib/python3.11/site-packages/qiskit_ibm_runtime/base_primitive.py:121, in BasePrimitiveV2.__init__(self, backend, session, options)
115 self._service = (
116 QiskitRuntimeService()
117 if QiskitRuntimeService.global_service is None
118 else QiskitRuntimeService.global_service
119 )
120 if self._service.channel != "ibm_cloud":
--> 121 raise ValueError(
122 "A backend or session must be specified when not using ibm_cloud channel."
123 )
ValueError: A backend or session must be specified when not using ibm_cloud channel.
Sieglinde-IBMQuantum
URL to the relevant documentation
The link to hello world on this page https://docs.quantum.ibm.com/start
takes you to https://docs.quantum.ibm.com/start/hello-world with the code that did not work using Qiskit 1.0
Select all that apply
Describe the fix.