Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
error: failed to save object: path /storage/TMAUNFTCollection in account 0x87d9c8c2e2043692 already stores an object
  --> db80df853a576b48e6e1faffe37c4a88a1846cc3416b52bc965c0507c2a0a93e:11:24
   |
11 |                         acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/TMAUNFTCollection)
   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^