Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3689b1f944d5300f6c6f0d7858a5510916fdc5c76b54828187c95fddc284f7db:80:20
   |
80 |         let item <- self.listing.purchase(
   |                     ^

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