Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> a3642f297229ea06039f5a6a780c5ad19386981495c8eaf9cdcaf2d2934afb6a:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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