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/MLSCollection in account 0x77301fbc65b3bb4a already stores an object --> 7f6350fbc61b262e4dcd01f16dcbe86feec879c5e00050ae0cfd344036613222:11:24 | 11 | acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/MLSCollection) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^