Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 857a2fe42c91922fc6d74e8be16a40c124efdbac52285c6c44e78b6f94078e72:80:20
   |
80 |         let item <- self.listing.purchase(
   |                     ^

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