reson code in P421002 changing the base price of item


Active Member
I am working in E1 9.2, I am facing strange issue. whenever user is changing reason sales order detail application. unit price is changing. Here, unit price derive from advance pricing. every time, i am changing the reason code in detail application, respective adjustment type add to base price and change the base price to new base price.

I m troubleshooting this issue but never reached to any conclusion.

Please help me to figure out the issue.