How to prevent update the rate

In sales invoices, I use the same item multiple times in the same invoice.

Now I face an issue when I want to update or duplicate the invoice all items rate is fetched from the price list rate.
example before duplicate

after duplicate

Note: price list rate for this item is 500,000. I want to disabled fetching from price list rate

any help ?

Hello @Omar_Mohammed

Please refer this How to disable automated fetching of buying and selling prices during making entries?

I hope this works for you