Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3201a02c5db672610f3a9dab24681e110236d3853cacb999fbdcaa095c5cdf5f:12:46
   |
12 |                         self.transferToken <- collectionRef.withdraw(withdrawID: tokenID)
   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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