Don't you worrie - this is probably not your fault.
Unable to connect to any of the specified MySQL hosts.
#0 /app/web/wp-content/plugins/wpchaosclient/lib/chaos-client/src/CHAOS/Portal/Client/Extensions/AExtension.php(29): WPPortalClient->CallService('Object/Get', 'get', Array, true) #1 /app/web/wp-content/plugins/wpchaosclient/lib/chaos-client/src/CHAOS/Portal/Client/Extensions/ObjectExtension.php(18): CHAOS\Portal\Client\Extensions\AExtension->CallService('Get', 'get', Array) #2 /app/web/wp-content/plugins/wpdka/wpdkasitemap.php(54): CHAOS\Portal\Client\Extensions\ObjectExtension->Get('', NULL, NULL, 0, 0) #3 /app/web/wp-includes/class-wp-hook.php(324): WPDKASitemap::output_sitemap('') #4 /app/web/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #5 /app/web/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #6 /app/web/wp-includes/template-loader.php(13): do_action('template_redire...') #7 /app/web/wp-blog-header.php(19): require_once('/app/web/wp-inc...') #8 /app/web/index.php(17): require('/app/web/wp-blo...') #9 {main}