ORA-100501 is the error returned when you trap a Raise Form_Trigger_Failure in an exception handler.
Somewhere in your program unit, you have coded
Exception… when others then…
Coding “Exception when others” is a bad idea. I have NEVER coded that phrase in a form. Take it out EVERY PLACE in your form, and your problem will disappear. The standard error processing that occurs in Forms is all you need.
