Search help on POV for a mandatory field

Hi,

I have a screen in which I defined an input field and marked it as required.

I also used the FM  F4IF_FIELD_VALUE_REQUEST in the POV event to populate the field's search help.

The problem is that the search help is not working because I'm getting an error message (the field is required ...) even before the field is being filled !

The same thing happens when I do the check manually in the PAI event (FIELD field_name MODULE module_name), my custom error message is appearing before the field is filled and the search help is not working.

Thanks in advance.