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: --> 784466d7510f941c46e7128dfbb24e73bcffddfeb420beda9ab7e583e51b0abf:103:20 | 103 | let item <- self.listing.purchase( | ^ error: pre-condition failed: listing has already been purchased --> 4eb8a10cb9f87357.NFTStorefrontV2:322:16