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: error: failed to save object: path /storage/NFLCollection in account 0xb87620a91239f348 already stores an object --> 29a7a65d824de2d242f39d44c0db0ed9965759c023da19a57a91bcec21253e92:11:24 | 11 | acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/NFLCollection) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^