CODE_ERROR

There is an error in the cadence code of this transaction.

[Error Code: 1101] error caused by: 1 error occurred: * transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed: --> 714fe3fc5d9d25120f25bd56d6c5850f3449eef7b538c14f2015e2dbe851f800:12:46 | 12 | self.transferToken <- collectionRef.withdraw(withdrawID: tokenID) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unexpectedly found nil while forcing an Optional value --> 4cf4c4ee474ac04b.MLS:86:25