RouteNotFoundException ClassNotFoundError

HTTP 500 Whoops, looks like something went wrong.

Attempted to load class "Pixel" from namespace "FacebookPixel\Core".
Did you forget a "use" statement for another namespace?

Exceptions 2

Symfony\Component\ErrorHandler\Error\ ClassNotFoundError

  1.    * @param string $pixel_id Pixel id that pixel code is setup for.
  2.    *
  3.    * @return void
  4.    */
  5.   private function injectPixelBaseCode($pixel_id) {
  6.     $pixel = new Pixel($pixel_id);
  7.     $pixel_code $pixel->getPixelBaseCode();
  8.     $document JFactory::getDocument();
  9.     $document->addCustomTag($pixel_code);
  10.   }
PlgSystemOfficialFacebookPixel->injectPixelBaseCode() in /home/narella1/public_html/plugins/system/officialfacebookpixel/officialfacebookpixel.php (line 42)
  1.       return true;
  2.     }
  3.     if ($this->params->get('pixel_id'false)) {
  4.       $pixel_id $this->params->get('pixel_id');
  5.       $this->injectPixelBaseCode($pixel_id);
  6.     }
  7.     $is_form_submitted $app->getUserState(FacebookPluginConfig::SUBMIT_JOOMLA_CONTACT_FORMfalse);
  8.     if ($is_form_submitted) {
  9.       // Reset the user state
PlgSystemOfficialFacebookPixel->onBeforeCompileHead() in /home/narella1/public_html/libraries/src/Plugin/CMSPlugin.php (line 289)
  1.                 }
  2.                 // Convert to indexed array for unpacking.
  3.                 $arguments \array_values($arguments);
  4.                 $result $this->{$methodName}(...$arguments);
  5.                 // Ignore null results
  6.                 if ($result === null) {
  7.                     return;
  8.                 }
  1.                 if ($event->isStopped())
  2.                 {
  3.                     return $event;
  4.                 }
  5.                 $listener($event);
  6.             }
  7.         }
  8.         return $event;
  9.     }
  1.             $event     = new $className($eventName$args);
  2.         } else {
  3.             throw new \InvalidArgumentException('The arguments must either be an event or an array');
  4.         }
  5.         $result $dispatcher->dispatch($eventName$event);
  6.         // @todo - There are still test cases where the result isn't defined, temporarily leave the isset check in place
  7.         return !isset($result['result']) || \is_null($result['result']) ? [] : $result['result'];
  8.     }
  9. }
  1.                 $asset->onAttachCallback($this->_doc);
  2.             }
  3.         }
  4.         // Trigger the onBeforeCompileHead event
  5.         $app->triggerEvent('onBeforeCompileHead');
  6.         // Add Script Options as inline asset
  7.         $scriptOptions $this->_doc->getScriptOptions();
  8.         if ($scriptOptions) {
  1.             $cbuffer[$hash] = $tmpdata;
  2.             $cache->store($cbuffer'cbuffer_' $type);
  3.         } else {
  4.             $this->setBuffer($renderer->render($name$attribsnull), $type$name$title);
  5.         }
  6.         return parent::$_buffer[$type][$name][$title];
  7.     }
  1.         $replace = [];
  2.         $with    = [];
  3.         foreach ($this->_template_tags as $jdoc => $args) {
  4.             $replace[] = $jdoc;
  5.             $with[]    = $this->getBuffer($args['type'], $args['name'], $args['attribs']);
  6.         }
  7.         return str_replace($replace$with$this->_template);
  8.     }
  9. }
HtmlDocument->_renderTemplate() in /home/narella1/public_html/libraries/src/Document/HtmlDocument.php (line 637)
  1.         if (\array_key_exists('csp_nonce'$params) && $params['csp_nonce'] !== null) {
  2.             $this->cspNonce $params['csp_nonce'];
  3.         }
  4.         $data $this->_renderTemplate();
  5.         parent::render($caching$params);
  6.         return $data;
  7.     }
  1.         $this->debug $params['debug'] ?? false;
  2.         $this->error $this->_error;
  3.         $params['file'] = 'error.php';
  4.         return parent::render($cache$params);
  5.     }
  6.     /**
  7.      * Render the backtrace
  8.      *
  1.                 'template'         => $template->template,
  2.                 'directory'        => JPATH_THEMES,
  3.                 'debug'            => JDEBUG,
  4.                 'csp_nonce'        => $app->get('csp_nonce'),
  5.                 'templateInherits' => $template->parent,
  6.                 'params'           => $template->params,
  7.             ]
  8.         );
  9.     }
  10. }
  1.             // Reset the document object in the factory, this gives us a clean slate and lets everything render properly
  2.             Factory::$document $renderer->getDocument();
  3.             Factory::getApplication()->loadDocument(Factory::$document);
  4.             $data $renderer->render($error);
  5.             // If nothing was rendered, just use the message from the Exception
  6.             if (empty($data)) {
  7.                 $data $error->getMessage();
  8.             }
  1.      * @since   3.10.0
  2.      */
  3.     public static function handleException(\Throwable $error)
  4.     {
  5.         static::logException($error);
  6.         static::render($error);
  7.     }
  8.     /**
  9.      * Render the error page based on an exception.
  10.      *
ExceptionHandler::handleException() in /home/narella1/public_html/libraries/src/Application/CMSApplication.php (line 322)
  1.             );
  2.             // Trigger the onError event.
  3.             $this->triggerEvent('onError'$event);
  4.             ExceptionHandler::handleException($event->getError());
  5.         }
  6.         // Trigger the onBeforeRespond event.
  7.         $this->getDispatcher()->dispatch('onBeforeRespond');
CMSApplication->execute() in /home/narella1/public_html/includes/app.php (line 61)
  1. // Set the application as global app
  2. \Joomla\CMS\Factory::$application $app;
  3. // Execute the application.
  4. $app->execute();
require_once('/home/narella1/public_html/includes/app.php') in /home/narella1/public_html/index.php (line 32)
  1.  * define() is used rather than "const" to not error for PHP 5.2 and lower
  2.  */
  3. define('_JEXEC'1);
  4. // Run the application - All executable code should be triggered through this file
  5. require_once dirname(__FILE__) . '/includes/app.php';

Joomla\CMS\Router\Exception\ RouteNotFoundException

Page not found

  1.         $this->processParseRules($uriself::PROCESS_AFTER);
  2.         // Check if all parts of the URL have been parsed.
  3.         // Otherwise we have an invalid URL
  4.         if (\strlen($uri->getPath()) > 0) {
  5.             throw new RouteNotFoundException(Text::_('JERROR_PAGE_NOT_FOUND'));
  6.         }
  7.         if ($setVars) {
  8.             $this->setVars($uri->getQuery(true));
  1.         // Get the full request URI.
  2.         $uri = clone Uri::getInstance();
  3.         // It is not possible to inject the SiteRouter as it requires a SiteApplication
  4.         // and we would end in an infinite loop
  5.         $result $this->getContainer()->get(SiteRouter::class)->parse($uritrue);
  6.         $active $this->getMenu()->getActive();
  7.         if (
  8.             $active !== null
  1.         // Mark afterInitialise in the profiler.
  2.         JDEBUG $this->profiler->mark('afterInitialise') : null;
  3.         // Route the application
  4.         $this->route();
  5.         // Mark afterRoute in the profiler.
  6.         JDEBUG $this->profiler->mark('afterRoute') : null;
  7.         if (!$this->isHandlingMultiFactorAuthentication()) {
  1.             $this->sanityCheckSystemVariables();
  2.             $this->setupLogging();
  3.             $this->createExtensionNamespaceMap();
  4.             // Perform application routines.
  5.             $this->doExecute();
  6.             // If we have an application document object, render it.
  7.             if ($this->document instanceof \Joomla\CMS\Document\Document) {
  8.                 // Render the application output.
  9.                 $this->render();
CMSApplication->execute() in /home/narella1/public_html/includes/app.php (line 61)
  1. // Set the application as global app
  2. \Joomla\CMS\Factory::$application $app;
  3. // Execute the application.
  4. $app->execute();
require_once('/home/narella1/public_html/includes/app.php') in /home/narella1/public_html/index.php (line 32)
  1.  * define() is used rather than "const" to not error for PHP 5.2 and lower
  2.  */
  3. define('_JEXEC'1);
  4. // Run the application - All executable code should be triggered through this file
  5. require_once dirname(__FILE__) . '/includes/app.php';

Stack Traces 2

[2/2] ClassNotFoundError
Symfony\Component\ErrorHandler\Error\ClassNotFoundError:
Attempted to load class "Pixel" from namespace "FacebookPixel\Core".
Did you forget a "use" statement for another namespace?

  at /home/narella1/public_html/plugins/system/officialfacebookpixel/officialfacebookpixel.php:202
  at PlgSystemOfficialFacebookPixel->injectPixelBaseCode()
     (/home/narella1/public_html/plugins/system/officialfacebookpixel/officialfacebookpixel.php:42)
  at PlgSystemOfficialFacebookPixel->onBeforeCompileHead()
     (/home/narella1/public_html/libraries/src/Plugin/CMSPlugin.php:289)
  at Joomla\CMS\Plugin\CMSPlugin->Joomla\CMS\Plugin\{closure}()
     (/home/narella1/public_html/libraries/vendor/joomla/event/src/Dispatcher.php:486)
  at Joomla\Event\Dispatcher->dispatch()
     (/home/narella1/public_html/libraries/src/Application/EventAware.php:111)
  at Joomla\CMS\Application\WebApplication->triggerEvent()
     (/home/narella1/public_html/libraries/src/Document/Renderer/Html/MetasRenderer.php:61)
  at Joomla\CMS\Document\Renderer\Html\MetasRenderer->render()
     (/home/narella1/public_html/libraries/src/Document/HtmlDocument.php:565)
  at Joomla\CMS\Document\HtmlDocument->getBuffer()
     (/home/narella1/public_html/libraries/src/Document/HtmlDocument.php:833)
  at Joomla\CMS\Document\HtmlDocument->_renderTemplate()
     (/home/narella1/public_html/libraries/src/Document/HtmlDocument.php:637)
  at Joomla\CMS\Document\HtmlDocument->render()
     (/home/narella1/public_html/libraries/src/Document/ErrorDocument.php:139)
  at Joomla\CMS\Document\ErrorDocument->render()
     (/home/narella1/public_html/libraries/src/Error/Renderer/HtmlRenderer.php:78)
  at Joomla\CMS\Error\Renderer\HtmlRenderer->render()
     (/home/narella1/public_html/libraries/src/Exception/ExceptionHandler.php:126)
  at Joomla\CMS\Exception\ExceptionHandler::render()
     (/home/narella1/public_html/libraries/src/Exception/ExceptionHandler.php:72)
  at Joomla\CMS\Exception\ExceptionHandler::handleException()
     (/home/narella1/public_html/libraries/src/Application/CMSApplication.php:322)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/home/narella1/public_html/includes/app.php:61)
  at require_once('/home/narella1/public_html/includes/app.php')
     (/home/narella1/public_html/index.php:32)                
[1/2] RouteNotFoundException
Joomla\CMS\Router\Exception\RouteNotFoundException:
Page not found

  at /home/narella1/public_html/libraries/src/Router/Router.php:155
  at Joomla\CMS\Router\Router->parse()
     (/home/narella1/public_html/libraries/src/Application/SiteApplication.php:746)
  at Joomla\CMS\Application\SiteApplication->route()
     (/home/narella1/public_html/libraries/src/Application/SiteApplication.php:232)
  at Joomla\CMS\Application\SiteApplication->doExecute()
     (/home/narella1/public_html/libraries/src/Application/CMSApplication.php:293)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/home/narella1/public_html/includes/app.php:61)
  at require_once('/home/narella1/public_html/includes/app.php')
     (/home/narella1/public_html/index.php:32)