Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3ccc784b7510077ff82e21523dcce13ddde81c13019b3db24361f842c0a4f2a9:13:46
   |
13 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:218:63