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: --> a39b49ae1e41cf19674ff96e61359dc06766afcebdefdc6facc8cff3165ceabb:57:21 | 57 | let nftRef = self.listing.borrowNFT() ?? panic("nft not found") | ^^^^^^^^^^^^^^^^^^^^^^^^ error: pre-condition failed: NFT does not exist in the collection! --> 1d7e57aa55817448.NonFungibleToken:187:30