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: --> e685f1c233c40ee3059614b94f3a01e7f4a17e395a5946550a3e0ca7253b28b5:34:8 | 34 | self.collectionRef.openPack(id: revealID) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ --> 8ebcbfd516b1da27.MFLPack:188:24 | 188 | let pack <- self.withdraw(withdrawID: id) as! @MFLPack.NFT | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: panic: missing NFT --> 8ebcbfd516b1da27.MFLPack:135:67 | 135 | let token <- self.ownedNFTs.remove(key: withdrawID) ?? panic("missing NFT") | ^^^^^^^^^^^^^^^^^^^^