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 0x33ee8ae3049f7f6c already stores an object
  --> 2d0e1f3b3256ddf17f9547981ad47f5a82e9de2e2ff0dcb932c102a39d543ba6:11:24
   |
11 |                         acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/NFLCollection)
   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^