I have the same problem!
Fatal error: Uncaught Error: Class ‘W3TC\UserExperience_Plugin_Admin’ not found in /home4/waklzy0aglg2/public_html/wp-content/plugins/w3-total-cache/Root_Loader.php:49 Stack trace: #0 /home4/waklzy0aglg2/public_html/wp-content/plugins/w3-total-cache/Root_Loader.php(165): W3TC\Root_Loader->__construct() #1 /home4/waklzy0aglg2/public_html/wp-content/plugins/w3-total-cache/w3-total-cache.php(67): require_once(‘/home4/waklzy0a…’) #2 /home4/waklzy0aglg2/public_html/wp-settings.php(377): include_once(‘/home4/waklzy0a…’) #3 /home4/waklzy0aglg2/public_html/wp-config.php(80): require_once(‘/home4/waklzy0a…’) #4 /home4/waklzy0aglg2/public_html/wp-load.php(37): require_once(‘/home4/waklzy0a…’) #5 /home4/waklzy0aglg2/public_html/wp-admin/admin.php(34): require_once(‘/home4/waklzy0a…’) #6 /home4/waklzy0aglg2/public_html/wp-admin/index.php(10): require_once(‘/home4/waklzy0a…’) #7 {main} thrown in /home4/waklzy0aglg2/public_html/wp-content/plugins/w3-total-cache/Root_Loader.php on line 49
