Fatal error: Uncaught Error: Class 'views_plugin' not found in /var/www/html/sites/all/modules/views/plugins/views_plugin_display_extender.inc:13 Stack trace: #0 /var/www/html/includes/bootstrap.inc(3518): include_once() #1 /var/www/html/includes/bootstrap.inc(3423): _registry_check_code() #2 [internal function]: drupal_autoload_class() #3 /var/www/html/sites/all/modules/metatag/metatag_views/metatag_views_plugin_display_extender_metatags.inc(11): spl_autoload_call() #4 /var/www/html/includes/bootstrap.inc(3518): include_once('/var/www/html/s...') #5 /var/www/html/includes/bootstrap.inc(3423): _registry_check_code() #6 [internal function]: drupal_autoload_class() #7 [internal function]: spl_autoload_call() #8 /var/www/html/sites/all/modules/memcache/dmemcache.inc(276): MemcachePool->get() #9 /var/www/html/sites/all/modules/memcache/memcache.inc(65): dmemcache_get() #10 /var/www/html/includes/cache.inc(57): MemCacheDrupal->get() #11 /var/www/html/includes/module.inc(762): cache_get() #12 /var/www/html/includes/module.inc(9 in /var/www/html/sites/all/modules/views/plugins/views_plugin_display_extender.inc on line 13