Credit exposure updates for repair order invoice

Hello expert,

When we create a invoice for the repair order/service order the credit exposure in FD32 is getting updated with the incorrect value. If I use Extras->sales value in FD32 the open delivery amount is showing some huge negative number. Due to this reason the credit exposure value is showing the incorrect amount. We run RVKRED77 to correct this issue temporarily. But still wanted to know is there any recent SAP note has been released for such issues.We debugged the complete standard code but it is going through many pricing procedures and condition types. Has anybody faced this kind of issue? Please suggest.

Thanks,

Karthik