Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed:
   --> e2afff37dced18b58b3a4860fb65c693c444e0840269a171d95d070facb8d89e:105:20
    |
105 |         let item <- self.listing.purchase(
    |                     ^

error: pre-condition failed: listing has already been purchased
   --> 4eb8a10cb9f87357.NFTStorefrontV2:322:16