Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away in /var/www/html/src/app/Services/DataBase.php:43 Stack trace: #0 /var/www/html/src/app/Services/DataBase.php(43): PDO->prepare('SELECT\n `a`....') #1 /var/www/html/src/app/Repos/PublicationTagsRepo.php(59): App\Services\DataBase->get('SELECT\n `a`....', Array) #2 /var/www/html/src/app/Controllers/PublicationsController.php(270): App\Repos\PublicationTagsRepo->getPublicationsByTag(320, 20, Object(App\Models\Tag), Object(App\Services\DataBase), Object(App\Services\SqlQueryResolver), Object(App\Mappers\PublicationMapper)) #3 /var/www/html/src/app/config.php(100): App\Controllers\PublicationsController->getByTag(Object(Slim\Psr7\Request), Object(Slim\Psr7\Response), Array) #4 /var/www/html/src/app/bootstrap.php(73): {closure}(Object(DI\Container), Object(Slim\Psr7\Request), Object(Slim\Psr7\Response), Array) #5 /var/www/html/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(39): Closure->{closure}(Object(Slim\Psr7\Request), Object(Slim\Psr7\Response), Array) #6 /var/www/html/vendor/slim/slim/Slim/Routing/Route.php(362): Slim\Handlers\Strategies\RequestResponse->__invoke(Object(Closure), Object(Slim\Psr7\Request), Object(Slim\Psr7\Response), Array) #7 /var/www/html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Slim\Routing\Route->handle(Object(Slim\Psr7\Request)) #8 /var/www/html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Slim\MiddlewareDispatcher->handle(Object(Slim\Psr7\Request)) #9 /var/www/html/vendor/slim/slim/Slim/Routing/Route.php(321): Slim\MiddlewareDispatcher->handle(Object(Slim\Psr7\Request)) #10 /var/www/html/vendor/slim/slim/Slim/Routing/RouteRunner.php(74): Slim\Routing\Route->run(Object(Slim\Psr7\Request)) #11 /var/www/html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Slim\Routing\RouteRunner->handle(Object(Slim\Psr7\Request)) #12 /var/www/html/vendor/slim/slim/Slim/App.php(209): Slim\MiddlewareDispatcher->handle(Object(Slim\Psr7\Request)) #13 /var/www/html/vendor/slim/slim/Slim/App.php(193): Slim\App->handle(Object(Slim\Psr7\Request)) #14 /var/www/html/src/app/bootstrap.php(77): Slim\App->run() #15 /var/www/html/public/index.php(5): require('/var/www/html/s...') #16 {main} thrown in /var/www/html/src/app/Services/DataBase.php on line 43