There is no standard message will contain name Palla.KIran.. nor any table T9UPA..Ask your abaper to debug and fix the code .. You can also check if there is BADI Invoice_update have any implementations ?
You can also check funtion module MRMBADI_INVOICE_SAVE for method
- IF_EX_MRM_INVOICE_UPDATE PROCESS_AT_SAVE is processed when saving an invoice
There are user exits too.. but first ask your abper to check for these.