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: --> 48d1e2950f43f658c12cdb2540478866a6938ea0f90e5ff858ed6b90b2a40126:24:10 | 24 | self.Administrator.mintNFT(creatorId: creatorIds[i], description: textContents[i], recipient: recipients[i]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ --> 1d9428eec06fdb68.Memento:417:20 | 417 | self.isMintingAvailable(creatorId, description): "Minting for this NFT has ended or reached max supply." | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unexpectedly found nil while forcing an Optional value --> 1d9428eec06fdb68.Memento:442:31 | 442 | let metadata = Memento.getNFTMetadata(creatorId, description)! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^