Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 79165d1f25e6f7dbb9e98969fa344bb4a0e82128f529b680db5b728209ef4de5:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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