Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3ca017fcb24c869e6e632f972ee3045320e52cdcd1dc095c982d0cc8c564713b:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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