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 0xd524ca6b51dc8fcc already stores an object
  --> d4a7d7642b7e0c2f26d25bbcff5c78bb89404e2e633a661442ab7a5ff2d65906:11:24
   |
11 |                         acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/MLSCollection)
   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^