Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4e6028c4dda4b11e90031ff3ced4aea093d46843bc38c337b3a08b2079960f66:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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