Fatal error: Uncaught Error: Undefined constant "IMODE" in /customers/6/e/e/hoekvv.be/httpd.www/e107_plugins/calendar_menu/calendar_template.php:26
Stack trace:
#0 /customers/6/e/e/hoekvv.be/httpd.www/e107_plugins/calendar_menu/calendar.php(55): require()
#1 {main}
  thrown in /customers/6/e/e/hoekvv.be/httpd.www/e107_plugins/calendar_menu/calendar_template.php on line 26