Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 640a9f7bd081f0a249932dd9f0dfaee8053d6e02bb92a6e90ec89bbaa80727a3:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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