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I am trying to build two qudit CX (d-dim) gate. enter image description here

and getting below error. enter image description here

There is no issue in the unitary matrix. Please suggest to resolve the error.

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_qid_shape_ should return (self.d, self.d) instead of (self.d * self.d,). You're currently asking or one $d^2$-level object instead of two $d$-level objects.

If you specify qid shape, you don't have to specify num qubits.

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