Fatal error: Uncaught XF\Db\Exception: Connection refused in /var/www/html/src/XF/Db/Mysqli/Adapter.php:165 Stack trace: #0 /var/www/html/src/XF/Db/Mysqli/Adapter.php(28): XF\Db\Mysqli\Adapter->makeConnection(Array) #1 /var/www/html/src/XF/Db/AbstractAdapter.php(62): XF\Db\Mysqli\Adapter->getConnection() #2 /var/www/html/src/XF/Db/AbstractAdapter.php(85): XF\Db\AbstractAdapter->connect() #3 /var/www/html/src/XF/Db/AbstractAdapter.php(152): XF\Db\AbstractAdapter->query('...', 1) #4 /var/www/html/src/XF/PermissionCache.php(34): XF\Db\AbstractAdapter->fetchOne('...', 1) #5 /var/www/html/src/XF/PermissionSet.php(35): XF\PermissionCache->getGlobalPerms(1) #6 /var/www/html/src/XF/Entity/User.php(1218): XF\PermissionSet->hasGlobalPermission('...', '...') #7 /var/www/html/src/addons/Siropu/AdsManager/XF/Entity/User.php(9): XF\Entity\User->hasPermission('...', '...') #8 /var/www/html/src/addons/Siropu/AdsManager/Template/Ad.php(38): Siropu\AdsManager\XF\Entity\User->canViewAdsSiropuAdsManager() #9 /var/www/html/src/addons/Siropu/AdsManager/Listener.php(62): Siropu\AdsManager\Template\Ad->__construct(Object(XF\Pub\App), Object(XF\Mvc\Reply\Error)) #10 /var/www/html/src/XF/Extension.php(69): Siropu\AdsManager\Listener::templaterGlobalData(Object(XF\Pub\App), Array, Object(XF\Mvc\Reply\Error)) #11 /var/www/html/src/XF/App.php(2990): XF\Extension->fire('...', Array, NULL) #12 /var/www/html/src/XF/App.php(2208): XF\App->fire('...', Array) #13 /var/www/html/src/XF/App.php(2077): XF\App->getGlobalTemplateData(Object(XF\Mvc\Reply\Error)) #14 /var/www/html/src/XF/Pub/App.php(451): XF\App->preRender(Object(XF\Mvc\Reply\Error), '...') #15 /var/www/html/src/XF/Mvc/Dispatcher.php(397): XF\Pub\App->preRender(Object(XF\Mvc\Reply\Error), '...') #16 /var/www/html/src/XF/Mvc/Dispatcher.php(60): XF\Mvc\Dispatcher->render(Object(XF\Mvc\Reply\Error), '...') #17 /var/www/html/src/XF/App.php(2483): XF\Mvc\Dispatcher->run() #18 /var/www/html/src/XF.php(524): XF\App->run() #19 /var/www/html/index.php(20): XF::runApp('...') #20 {main} thrown in /var/www/html/src/XF/Db/Mysqli/Adapter.php on line 165