AerError: 'unknown instruction

ID: aererror-unknown-instruction

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AerError: 'unknown instruction by Ciro Santilli 37 Updated 2025-07-01 +Created 1970-01-01
You get an error like this if you forget to call qiskit.transpile():
qiskit_aer.aererror.AerError: 'unknown instruction: QFT'
Related: quantumcomputing.stackexchange.com/questions/34396/aererror-unknown-instruction-c-unitary-while-using-control-unitary-operator/35132#35132
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