Fatal error: Uncaught RuntimeException: FTP hostname is required in /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_disk.class.php:1240 Stack trace: #0 /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_disk.class.php(1289): Cache_Enabler_Disk::get_filesystem() #1 /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_disk.class.php(419): Cache_Enabler_Disk::mkdir_p('/volume1/wordpr...') #2 /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler.class.php(412): Cache_Enabler_Disk::create_settings_file(Array) #3 /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler.class.php(461): Cache_Enabler::on_update_backend('cache_enabler', Array) #4 /volume1/wordpress/wordpress1/wp-includes/class-wp-hook.php(324): Cache_Enabler::on_update_option('cache_enabler', Array, Array) #5 /volume1/wordpress/wordpress1/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #6 /volume1/wordpress/wordpress1/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #7 /volume1/wordpress/wordpress1/wp-includes/option.php(935): do_action('update_option', 'cache_enabler', Array, Array) #8 /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler.class.php(363): update_option('cache_enabler', Array) #9 /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler.class.php(332): Cache_Enabler::update_backend() #10 /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler.class.php(741): Cache_Enabler::update() #11 /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_disk.class.php(1053): Cache_Enabler::get_settings() #12 /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_engine.class.php(91): Cache_Enabler_Disk::get_settings(true) #13 /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_engine.class.php(26): Cache_Enabler_Engine->__construct() #14 /volume1/wordpress/wordpress1/wp-includes/class-wp-hook.php(324): Cache_Enabler_Engine::start('') #15 /volume1/wordpress/wordpress1/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #16 /volume1/wordpress/wordpress1/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #17 /volume1/wordpress/wordpress1/wp-settings.php(704): do_action('init') #18 /volume1/wordpress/wordpress1/wp-config.php(101): require_once('/volume1/wordpr...') #19 /volume1/wordpress/wordpress1/wp-load.php(50): require_once('/volume1/wordpr...') #20 /volume1/wordpress/wordpress1/wp-blog-header.php(13): require_once('/volume1/wordpr...') #21 /volume1/wordpress/wordpress1/index.php(17): require('/volume1/wordpr...') #22 {main} Next RuntimeException: There was an error initializing the WP_Filesystem class: FTP hostname is required in /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_disk.class.php on line 1253 RuntimeException: There was an error initializing the WP_Filesystem class: FTP hostname is required in /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_disk.class.php on line 1253 Call Stack: 0.0001 359424 1. {main}() /volume1/wordpress/wordpress1/index.php:0 0.0001 359736 2. require('/volume1/wordpress/wordpress1/wp-blog-header.php') /volume1/wordpress/wordpress1/index.php:17 0.0001 360152 3. require_once('/volume1/wordpress/wordpress1/wp-load.php') /volume1/wordpress/wordpress1/wp-blog-header.php:13 0.0001 360960 4. require_once('/volume1/wordpress/wordpress1/wp-config.php') /volume1/wordpress/wordpress1/wp-load.php:50 0.0001 362480 5. require_once('/volume1/wordpress/wordpress1/wp-settings.php') /volume1/wordpress/wordpress1/wp-config.php:101 0.0672 5366560 6. do_action($hook_name = 'init') /volume1/wordpress/wordpress1/wp-settings.php:704 0.0672 5366936 7. WP_Hook->do_action($args = [0 => '']) /volume1/wordpress/wordpress1/wp-includes/plugin.php:517 0.0672 5366936 8. WP_Hook->apply_filters($value = '', $args = [0 => '']) /volume1/wordpress/wordpress1/wp-includes/class-wp-hook.php:348 0.1389 7574888 9. Cache_Enabler_Engine::start($force = '') /volume1/wordpress/wordpress1/wp-includes/class-wp-hook.php:324 0.1389 7574928 10. Cache_Enabler_Engine->__construct() /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_engine.class.php:26 0.1389 7574928 11. Cache_Enabler_Disk::get_settings($update = TRUE) /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_engine.class.php:91 0.1392 7575248 12. Cache_Enabler::get_settings($update = ???) /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_disk.class.php:1053 0.1392 7576768 13. Cache_Enabler::update() /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler.class.php:741 0.1597 7576960 14. Cache_Enabler::update_backend() /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler.class.php:332 0.1611 7578376 15. update_option($option = 'cache_enabler', $value = ['version' => '1.8.15', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => ''], $autoload = ???) /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler.class.php:363 0.1613 7584808 16. do_action($hook_name = 'update_option', ...$arg = variadic('cache_enabler', ['version' => '1.8.7', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => ''], ['version' => '1.8.15', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => ''])) /volume1/wordpress/wordpress1/wp-includes/option.php:935 0.1613 7585184 17. WP_Hook->do_action($args = [0 => 'cache_enabler', 1 => ['version' => '1.8.7', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => ''], 2 => ['version' => '1.8.15', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => '']]) /volume1/wordpress/wordpress1/wp-includes/plugin.php:517 0.1613 7585184 18. WP_Hook->apply_filters($value = '', $args = [0 => 'cache_enabler', 1 => ['version' => '1.8.7', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => ''], 2 => ['version' => '1.8.15', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => '']]) /volume1/wordpress/wordpress1/wp-includes/class-wp-hook.php:348 0.1613 7585936 19. Cache_Enabler::on_update_option($option = 'cache_enabler', $old_value = ['version' => '1.8.7', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => ''], $value = ['version' => '1.8.15', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => '']) /volume1/wordpress/wordpress1/wp-includes/class-wp-hook.php:324 0.1613 7585936 20. Cache_Enabler::on_update_backend($option = 'cache_enabler', $value = ['version' => '1.8.15', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => '']) /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler.class.php:461 0.1613 7585936 21. Cache_Enabler_Disk::create_settings_file($settings = ['version' => '1.8.15', 'use_trailing_slashes' => 1, 'permalink_structure' => 'has_trailing_slash', 'cache_expires' => 0, 'cache_expiry_time' => 0, 'clear_site_cache_on_saved_post' => 1, 'clear_site_cache_on_saved_comment' => 0, 'clear_site_cache_on_saved_term' => 0, 'clear_site_cache_on_saved_user' => 0, 'clear_site_cache_on_changed_plugin' => 1, 'convert_image_urls_to_webp' => 0, 'mobile_cache' => 0, 'compress_cache' => 1, 'minify_html' => 0, 'minify_inline_css_js' => 0, 'excluded_post_ids' => '', 'excluded_page_paths' => '', 'excluded_query_strings' => '', 'excluded_cookies' => '']) /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler.class.php:412 0.1615 7588800 22. Cache_Enabler_Disk::mkdir_p($dir = '/volume1/wordpress/wordpress1/wp-content/settings/cache-enabler') /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_disk.class.php:419 0.1615 7588928 23. Cache_Enabler_Disk::get_filesystem() /volume1/wordpress/wordpress1/wp-content/plugins/cache-enabler/inc/cache_enabler_disk.class.php:1289