Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: assertion failed: Missing or mis-typed user FUSD receiver
  --> f02f1ec21215e08983e47c5e1b232510b6a54459f751dd2b49ddba5661761ff2:21:8
   |
21 |         assert(self.userFusdReceiver.borrow() != nil, message: "Missing or mis-typed user FUSD receiver")
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^