Fatal error: Uncaught Exception: Neither xhprof nor tideways are installed in /var/www/html/includes/libs/Xhprof.php:103 Stack trace: #0 /var/www/html/includes/libs/Xhprof.php(66): Xhprof::callAny(Array, Array) #1 /var/www/html/includes/profiler/ProfilerXhprof.php(77): Xhprof::enable(0, Array) #2 /var/www/html/includes/profiler/Profiler.php(84): ProfilerXhprof->__construct(Array) #3 /var/www/html/includes/db/MWLBFactory.php(96): Profiler::instance() #4 /var/www/html/includes/ServiceWiring.php(293): MWLBFactory::applyDefaultConfig(Array, Object(MediaWiki\Config\ServiceOptions), Object(ConfiguredReadOnlyMode), Object(APCUBagOStuff), Object(HashBagOStuff), Object(WANObjectCache)) #5 /var/www/html/includes/libs/services/ServiceContainer.php(451): Wikimedia\Services\ServiceContainer->{closure}(Object(MediaWiki\MediaWikiServices)) #6 /var/www/html/includes/libs/services/ServiceContainer.php(419): Wikimedia\Services\ServiceContainer->createService('DBLoadBalancerF...') #7 /var/www/html/includes/MediaWikiServices.php(657): Wikime in /var/www/html/includes/libs/Xhprof.php on line 103