Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> bea969061f133ac7dc779c75dd183d4bcc87b718567d128c768792ab6c0b8ef7:80:20
   |
80 |         let item <- self.listing.purchase(
   |                     ^

error: pre-condition failed: listing has already been purchased
   --> 4eb8a10cb9f87357.NFTStorefront:243:16