On one fine morning, faced with a problem which was resulted from the bad bad coding. Read on to walk through the events.

I know it is very wide question. We all use System fields like SY-SUBRC to check last statement was successful or not, SY-DBCNT for Database access count, SY-INDEX for row, SY-TABIX for current processed row in Loops, etc. Demo code Check out this code. At first it looks ok except the Modify statement outside the…