In my joomla site the JCE Pro2.6.19 is used.I am unable to access back-end & configurations in the editor. There is an error message displaying. My jommla version is Joomla! 3.9.8 So, I need immediate assistance to fix the problem.
Error message,
Warning: require_once(/var/www/html/html/administrator/includes/toolbar.php): failed to open stream: No such file or directory in /var/www/html/html/administrator/components/com_jce/controller.phpon line 134
Fatal error: require_once(): Failed opening required '/var/www/html/html/administrator/includes/toolbar.php' (include_path='.:/usr/share/php') in /var/www/html/html/administrator/components/com_jce/controller.php on line 134