Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8e86c937c47ae16854d8b0bd237a7aafd32212687fb9a2b5e6b3e2479964140b:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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