CODE_ERROR

There is an error in the cadence code of this transaction.

[Error Code: 1101] error caused by: 1 error occurred: * transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed: --> 3206acbd882bedc75cdfa75c75ab16a78e17129c3d7da541c53da8ffc667bb96:70:20 | 70 | let item <- self.listing.purchase( 71 | payment: <-self.paymentVault 72 | ) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: pre-condition failed: listing has already been purchased --> 4eb8a10cb9f87357.NFTStorefront:243:16 | 243 | self.details.purchased == false: "listing has already been purchased" | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^