Fatal error: Uncaught Error: Call to undefined function add_image_size() in /srv/users/salmonarmvolleyball/apps/salmonarmvolleyball/public/wp-includes/media.php:4864 Stack trace: #0 /srv/users/salmonarmvolleyball/apps/salmonarmvolleyball/public/wp-includes/class-wp-hook.php(287): _wp_add_additional_image_sizes('') #1 /srv/users/salmonarmvolleyball/apps/salmonarmvolleyball/public/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #2 /srv/users/salmonarmvolleyball/apps/salmonarmvolleyball/public/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #3 /srv/users/salmonarmvolleyball/apps/salmonarmvolleyball/public/wp-settings.php(425): do_action('plugins_loaded') #4 /srv/users/salmonarmvolleyball/apps/salmonarmvolleyball/public/wp-config.php(40): require_once('/srv/users/salm...') #5 /srv/users/salmonarmvolleyball/apps/salmonarmvolleyball/public/wp-load.php(39): require_once('/srv/users/salm...') #6 /srv/users/salmonarmvolleyball/apps/salmonarmvolleyball/public/wp-blog-header.php(13): require_once('/srv in /srv/users/salmonarmvolleyball/apps/salmonarmvolleyball/public/wp-includes/media.php on line 4864