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/SharksCollection in account 0xf43a2afc421dec93 already stores an object
  --> 510e943068504455a889ac1bc2473a91f9ed6f77c009db1f6e85e7d97d05ee61:11:24
   |
11 |                         acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/SharksCollection)
   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^