Reply To: Error 500 after page upgrade from 8.4.1 to 10.1.3 Home › Forums › Front End PM PRO › Error 500 after page upgrade from 8.4.1 to 10.1.3 › Reply To: Error 500 after page upgrade from 8.4.1 to 10.1.3 October 8, 2018 at 9:32 am #18090 Shamim HasanKeymaster Do you have any custom code for this plugin in your website? Please see your server error log if there is any error there. Let me know.