Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> ef9abb2def909833089d6085e10113e6e76650d282e3a9205c29ac8074b95327:80:20
   |
80 |         let item <- self.listing.purchase(
   |                     ^

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