When I attempt to edit JEvent modules (latest events and calendar) in the frontend error 404 is displayed. All other modules on the frontend can be edited successfully.
Please edit the file administrator/components/com_jevents/fields/jevmenu.php and change line 48 from
if ($jinput->getString("option") == "com_config"){
to
if ($jinput->getString("option") == "com_config" && JFactory::getApplication()->isAdmin()){