Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 4d15c9e449dc417bfaf3515c9cdbf7854f9bc328382ec672e0f22718522c8201:24:10
   |
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)!
    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^