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: --> 94cc03492ef06b60ee6674dd49cd2c6f8710706b4eecd8a0366246f3ab6b852e:94:20 | 94 | let item <- self.listing.purchase( | ^ error: pre-condition failed: listing has already been purchased --> 4eb8a10cb9f87357.NFTStorefrontV2:306:16