Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 458e02b8b7e87c353a46a95e27647f9db97b4fd8169f9e791d178e42d7ae9334:52:10
   |
52 |           createListing(seller, storefront, request, paymentReceiver, paymentType, nftRef, typeRef, cache)
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  --> 458e02b8b7e87c353a46a95e27647f9db97b4fd8169f9e791d178e42d7ae9334:84:2
   |
84 |   storefront.createListing(
85 |     nftProviderCapability: collectionCap,
86 |     paymentReceiver: paymentReceiver,
87 |     nftType: typeCache[r.nftTypeIdentifier]!,
88 |     nftID: r.nftID,
89 |     salePaymentVaultType: paymentType,
90 |     price: r.price,
91 |     customID: r.customID,
92 |     expiry: UInt64(getCurrentBlock().timestamp) + r.expiry,
93 |     buyer: r.buyerAddress
94 |   )
   |   ^

error: assertion failed: nft cannot be nil
   --> 3cdbb3d569211ff3.NFTStorefrontV2:619:4
    |
619 | 				assert(nftRef != nil, message: "nft cannot be nil")
    | 				^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^