Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> fe01705540be3d6cb2bbd03e4239a9c8078006bf0d8b865e851e694d71342bd0:80:20
   |
80 |         let item <- self.listing.purchase(
   |                     ^

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