Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2aa8a76d640356a9bd6793e856c29fd07b6d7c06bba28145d979b25175482a94:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
  --> 8f3e345219de6fed.NFL:69:63