[Error Code: 1101] error caused by: 1 error occurred: * transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed: error: unexpectedly found nil while forcing an Optional value --> 449039c7e972131436b5bd6747a09f248cb17a7dc0a42e2a9a03af212cbab07f:120:18 | 120 | let nft = collection.borrowPack(id: saleItemID)! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Happy diving into the flow Remember to test your contracts in 1.0 here on testnet