Warning: Constant WP_CACHE already defined in /home/berrybuilds/public_html/wp-config.php on line 4

Fatal error: Uncaught Error: Class "MMB_Core" not found in /home/berrybuilds/public_html/wp-content/plugins/worker/functions.php:634 Stack trace: #0 /home/berrybuilds/public_html/wp-content/plugins/worker/init.php(696): mwp_core() #1 /home/berrybuilds/public_html/wp-content/plugins/worker/init.php(761): mwp_init() #2 /home/berrybuilds/public_html/wp-content/mu-plugins/0-worker.php(23): include_once('/home/berrybuil...') #3 /home/berrybuilds/public_html/wp-settings.php(456): include_once('/home/berrybuil...') #4 /home/berrybuilds/public_html/wp-config.php(100): require_once('/home/berrybuil...') #5 /home/berrybuilds/public_html/wp-load.php(50): require_once('/home/berrybuil...') #6 /home/berrybuilds/public_html/wp-blog-header.php(13): require_once('/home/berrybuil...') #7 /home/berrybuilds/public_html/index.php(17): require('/home/berrybuil...') #8 {main} thrown in /home/berrybuilds/public_html/wp-content/plugins/worker/functions.php on line 634