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 0x0cb22d8042f70367 already stores an object
  --> e61581cf7ac059f4f4341cad69387ca4a66b2f801dd61c703e35c1ba177bba57:11:24
   |
11 |                         acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/NFLCollection)
   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^