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 0x6780c61b2ef99215 already stores an object
  --> 23b37e837c6a7e2fedafe914f6db9f27171b8c8d3057469c8b307a967fce2aba:11:24
   |
11 |                         acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/TMAUNFTCollection)
   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^