While change the exchange rate ...dont allow to change the item rate in purchase order

ERPNext
1

While change the exchange rate …dont allow to change the item rate in purchase order

Now make every changes the documents , item rate has been changed , how to avoid it

2

Though question is not very clear to me, still the use of custom script will solve your any issue.

If you elaborate your question more, then you may get more relavant answer.

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