Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4840b92e3f0d5888252f8bcefdd90e43cf5f5a5f5579b80237a08befd674c94b:80:20
   |
80 |         let item <- self.listing.purchase(
   |                     ^

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