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 0x7839b3bbe8155cb0 already stores an object --> 19fcb032828cf4fd8bb0e67b4434900519ef1acec6c410a1b4100c9575d4febd:11:24 | 11 | acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/NFLCollection) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^