XF 2.2 Need help with error code

[Dixie McCall]

Can I get some help understanding this error code.

The only thing I had a problem with in mobile was liking a post other than that community running smooth.

• ErrorException: Push notification failure: cURL error 28: Operation timed out after 18126 milliseconds with 0 bytes received (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)
• src/XF/Error.php:75
• Generated by:
• Jul 29, 2021 at 4:16 PM

Stack trace​

#0 src/XF.php(213): XF\Error->logError('Push notificati...', false)
#1 src/XF/Service/PushNotification.php(241): XF::logError('Push notificati...')
#2 src/XF/Service/PushNotification.php(174): XF\Service\PushNotification->handleResults(Object(Generator))
#3 src/XF/Service/PusherTrait.php(194): XF\Service\PushNotification->sendNotifications()
#4 src/XF/Repository/UserAlert.php(163): XF\Service\Alert\Pusher->push()
#5 src/XF/Repository/UserAlert.php(101): XF\Repository\UserAlert->insertAlert(28, 1, '*****', 'post', 2976, 'reaction', Array, Array)
#6 src/XF/Reaction/AbstractHandler.php(186): XF\Repository\UserAlert->alertFromUser(Object(xenMade\LAU\XF\Entity\User), Object(xenMade\LAU\XF\Entity\User), 'post', 2976, 'reaction', Array)
#7 src/XF/Repository/Reaction.php(201): XF\Reaction\AbstractHandler->sendReactionAlert(Object(xenMade\LAU\XF\Entity\User), Object(xenMade\LAU\XF\Entity\User), 2976, Object(XF\Entity\Post), 1)
#8 src/XF/Repository/Reaction.php(142): XF\Repository\Reaction->insertReaction(1, 'post', 2976, Object(xenMade\LAU\XF\Entity\User), true, false)
#9 src/XF/ControllerPlugin/Reaction.php(65): XF\Repository\Reaction->reactToContent(1, 'post', 2976, Object(xenMade\LAU\XF\Entity\User), true)
#10 src/XF/ControllerPlugin/Reaction.php(19): XF\ControllerPlugin\Reaction->actionToggleReaction(Object(XF\Entity\Post), 'posts/reactions', 'posts')
#11 src/XF/ControllerPlugin/Reaction.php(12): XF\ControllerPlugin\Reaction->actionReact(Object(XF\Entity\Post), 'posts', 'posts/react', 'posts/reactions')
#12 src/XF/Pub/Controller/Post.php(381): XF\ControllerPlugin\Reaction->actionReactSimple(Object(XF\Entity\Post), 'posts')
#13 src/XF/Mvc/Dispatcher.php(350): XF\Pub\Controller\Post->actionReact(Object(XF\Mvc\ParameterBag))
#14 src/XF/Mvc/Dispatcher.php(261): XF\Mvc\Dispatcher->dispatchClass('XFost', 'React', Object(XF\Mvc\RouteMatch), Object(Andy\ChangeAuthor\XF\Pub\Controller\Post), NULL)
#15 src/XF/Mvc/Dispatcher.php(113): XF\Mvc\Dispatcher->dispatchFromMatch(Object(XF\Mvc\RouteMatch), Object(Andy\ChangeAuthor\XF\Pub\Controller\Post), NULL)
#16 src/XF/Mvc/Dispatcher.php(55): XF\Mvc\Dispatcher->dispatchLoop(Object(XF\Mvc\RouteMatch))
#17 src/XF/App.php(2344): XF\Mvc\Dispatcher->run()
#18 src/XF.php(512): XF\App->run()
#19 index.php(20): XF::runApp('XF\\Pub\\App')
#20 {main}