Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed:
   --> 798d4915dc9625bdc90d08d9587281d0237f961e5a4f1b749a37ec7f812af9e5:101:18
    |
101 |       let item <- self.listing.purchase(
102 |           payment: <-self.paymentVault,
103 |           commissionRecipient: self.commissionRecipientCap
104 |       )
    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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