Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 853e28b7d773711da006d953b2811c8af5ebc4a821234cee3c9593037b0ac331:80:20
   |
80 |         let item <- self.listing.purchase(
   |                     ^

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