Receivable Activity issue

[niletra]

Hi all
MY VERSION IS 12.0.5
I have 3 diifrent OPERATING UNIT......
1)PPC

2)PI

3)PO

WHEN I GO THROUGHT THE FOLLOWING NAV:

RECIVEBLES:>SETUP>RECEIPT>RECEIVABLE ACTIVITIES

AND I SELECT PPC ON OPERATING UNIT FIELD SYSTEM ALLOW ME TO SAVE THEDATA
BUT
IF I SELECT PI OR PO INSTEAD OF PPC AND TRY TO SAVE THE DATA
THEN FOLLOWING ERROR TAKE PLACE

FRM-40735 WHEN-VALIDATE-ITEM trigger raised unhandled exception - ORA-01403

CAN YOU ADRESS MY QUERY...

THANKS.....