Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> bb0308e9868a151559d35d3150a88185e8ee1184b1595619dda9f02f9ea1c7ad:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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