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 0x51d90fbd124f4b22 already stores an object
  --> 1838e7009a96247be8d5ae667d627bec1af64b7d76b9cf170bf5804aef1c3eb3:11:24
   |
11 |                         acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/TMAUNFTCollection)
   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^