Checkout Error

can someone help how to troubleshoot this error in check out page:

“Product is not available (422): Product is not available”

https://xelectronics.shop/

This is the product link

https://kg0n92jeez8a0br2-83697238299.shopifypreview.com/products_preview?preview_key=16518820c786e897330484a64c25d7fb&variant=49625131680027

Hi Blessing, Thanks for your response. I checked I have inventory available. The sales channel of the product is different from other products I have (1 instead of 2). How can I update the sale channel to 2? Will this solve the problem.