Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 06b38339f695e8ef6806e5b448532f36d980de54e3629faf472b441da724a0d0:80:20
   |
80 |         let item <- self.listing.purchase(
   |                     ^

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