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: --> c18a9501c3ceaa1125b0956895e4f0f25c476309ff3f54127a6ec5623e1d59b0:103:20 | 103 | let item <- self.listing.purchase( | ^ error: pre-condition failed: listing has already been purchased --> 4eb8a10cb9f87357.NFTStorefrontV2:322:16