Warning: include_once(main/PluginBase.php): Failed to open stream: No such file or directory in /var/www/html/RJ/Plugin.php on line 10

Warning: include_once(): Failed opening 'main/PluginBase.php' for inclusion (include_path='/var/www/html/RJ/../../pluginbase') in /var/www/html/RJ/Plugin.php on line 10

Fatal error: Uncaught Error: Class "PluginBase" not found in /var/www/html/RJ/Plugin.php:12 Stack trace: #0 {main} thrown in /var/www/html/RJ/Plugin.php on line 12