Diagnosis
Undoing the deletion of the price for material '&V1&', sales unit '&V2&'for the organizational level '&V3&' causes an implicit price increasefor a deleted price on a subordinate organizational level.
In Customizing for the price planning type, however, you have told thesystem to issue a warning in the case of implicit price increases forthe current price plan category.

System Response
The system issues a warning but the deletion of the price is stillundone.