Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed:
   --> 50f4386134388497dec9dfa1666ec4e3c5f06c9356e7f2d9ab6f547588f8662a:114:20
    |
114 |         let item <- self.listing.purchase(
115 |             payment: <-self.paymentVault,
116 |             commissionRecipient: self.commissionRecipientCap
117 |         )
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: pre-condition failed: listing has already been purchased
   --> 4eb8a10cb9f87357.NFTStorefrontV2:322:16