Reply To: Issues after upgrading to Pro Home › Forums › Front End PM PRO › Issues after upgrading to Pro › Reply To: Issues after upgrading to Pro April 7, 2019 at 7:24 pm #23133 Shamim HasanKeymaster If FREE version works then PRO version will also work as both are same code in most of the places. Can you please set in Front End PM PRO > Settings > Recipient > Max recipients to 1 and check if works Let me know.