Fix bug that resulted in Exception when "delay" parameter not sent.
Fix bug that resulted in Exception when "delay" parameter not sent.

palimadra/iui,olbers/iui,Broetchen1234/iui,oulan/iui,iui/iUI,Broetchen1234/iui,palimadra/iui,waxmiguelito/iui,olbers/iui,waxmiguelito/iui,oulan/iui,waxmiguelito/iui,Broetchen1234/iui,oulan/iui,waxmiguelito/iui,olbers/iui,Broetchen1234/iui,Broetchen1234/iui,iui/iUI,pkdevbox/iui,palimadra/iui,pkdevbox/iui,iui/iUI,pkdevbox/iui,pkdevbox/iui,iui/iUI,palimadra/iui,olbers/iui,iui/iUI,pkdevbox/iui,olbers/iui,oulan/iui,palimadra/iui,waxmiguelito/iui,oulan/iui