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: --> 3e7c471d91b3b4f10b5a134cc2c7695958292b1311a84e902b9f290736c351aa:12:46 | 12 | self.transferToken <- collectionRef.withdraw(withdrawID: tokenID) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unexpectedly found nil while forcing an Optional value --> 34ac358b9819f79d.NFTKred:129:25