Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 07a95193bff0e22e5660f6acf80be84c87f45e780efa2afe33a117618a8714a1:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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