Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: assertion failed: Missing or mis-typed user FUSD receiver
  --> 1d65674df061a8521dd5736efee783a435d4c5a3c63459e91dfbbdb008590ad6:21:8
   |
21 |         assert(self.userFusdReceiver.borrow() != nil, message: "Missing or mis-typed user FUSD receiver")
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^