Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 51119f7ba58c89f92492e9a706545c5f02990085d439600f2875c3a3f84a0f4b:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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