Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8fa2c3b08d4f0605cdfc73ef2b99d4f55f59d90ade636a71829da97da323c0f:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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