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: error: unexpectedly found nil while forcing an Optional value --> 5f90650a08cad92d436cccaa7a822f332aa4f7ae4a0b1d307b28855a30ca08b1:97:18 | 97 | let nft = collection.borrowCard(id: saleItemID)! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^