Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 706f63ccf72b8313d03614dcf3597a1399670f6f326c4a1c0ce25749048b9e67:74:8
   |
74 |         self.storefront.createListing(
75 |             nftProviderCapability: self.collectionCap,
76 |             paymentReceiver: self.paymentReceiver,
77 |             nftType: self.nftType,
78 |             nftID: saleItemID,
79 |             salePaymentVaultType: Type<@DapperUtilityCoin.Vault>(),
80 |             price: saleItemPrice,
81 |             customID: customID,
82 |             expiry: UInt64(getCurrentBlock().timestamp) + expiry,
83 |             buyer: buyer
84 |         )
   |         ^

   --> 3cdbb3d569211ff3.NFTStorefrontV2:557:17
    |
557 | 						let cuts = NFTStorefrontV2.getPaymentCuts(r: paymentReceiver, n: nftRef, p: price, tokenType: salePaymentVaultType)
    | 						           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

   --> 3cdbb3d569211ff3.NFTStorefrontV2:856:16
    |
856 | 				royalties = n.resolveView(Type<MetadataViews.Royalties>()) as! MetadataViews.Royalties?
    | 				            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
  --> 427ceada271aa0b1.SturdyItems:78:31
   |
78 |             let thumbnailCID = metadata!["thumbnailCID"] != nil ? metadata!["thumbnailCID"]! : metadata!["imageCID"]!
   |                                ^^^^^^^^^