Buy button throws an error

[nosovk]

Describe the bug
When I try to buy an item via button "Buy" it fails with some error in console.

To Reproduce
Steps to reproduce the behavior:
Login to shop on testnet with Blockto wallet.
Init account.
Mint.
Buy an item at Item Marketplace screen.

Expected behavior
Item should be acquired by me.

Screenshots/Logs/Output

Environment (Optional - Version, OS, Browser, etc.)
Chrome, Version 93.0.4542.2 (Official Build) dev (64-bit)
Manjaro Linux

Error in console:

tx.js:5 TX[64ec98ec8f325688c9619a733e44e67bb6523aa057f396d19e52a42387efd942]: https://flow-view-source.com/testnet/tx/64ec98ec8f325688c9619a733e44e67bb6523aa057f396d19e52a42387efd942 [Error Code: 1101] cadence runtime error Execution failed:
error: unexpectedly found nil while forcing an Optional value
  --> 64ec98ec8f325688c9619a733e44e67bb6523aa057f396d19e52a42387efd942:17:74
   |
17 |           let price = self.marketCollection.borrowSaleItem(itemID: itemID)!.price
   |                                                                           ^

[10thfloor]

@nosovk Are you running your own version, or is this on the deployed version?

[nosovk]

it was on deployed version