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/LNVCTCollection in account 0x87b81728fd6857e3 already stores an object
  --> bff5470e253a8a50c821a4ea626bb36eeb9e9f5facf815e4f1052b63fc811f10:11:24
   |
11 |                         acct.save<@LNVCT.Collection>(<-collection, to: /storage/LNVCTCollection)
   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^