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: --> 11c0148ba99e4d1649ad871763505ad9e3c71e756c8310cc075daef5d9ca8213:80:20 | 80 | let item <- self.listing.purchase( 81 | payment: <-self.paymentVault 82 | ) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: pre-condition failed: listing has already been purchased --> 4eb8a10cb9f87357.NFTStorefront:243:16 | 243 | self.details.purchased == false: "listing has already been purchased" | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^