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: --> 1f486eeb08515be7fa33ccc944f7078b27f3c480dcaeaec709e86468ee382e6c: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)! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^