[Решено] Странная ошибка сервера 502 после установки akeeba - Joomla 3.x: Установка, обновление и настройка

upstream sent invalid status "0 DateTime::__construct(): Failed to parse time string (jerror) at position 0 (j): The timezone could not be found in the database" while reading response header from upstream

$this->optimizeFolder  = $app->getTemplate(true)->params->get('optimizeFolder', 'yt-assets');

$this->optimizeFolder = JPATH_ROOT.'/'.$this->optimizeFolder;