Warning: require(/home/sites/site3/web/administrator/cache/autoload_psr4.php): Failed to open stream: No such file or directory in /home/sites/site3/web/libraries/namespacemap.php on line 104
Attempted to load class "TemplatesComponent" from namespace "Joomla\Component\Templates\Administrator\Extension". Did you forget a "use" statement for another namespace? (500 Whoops, looks like something went wrong.)

Error ClassNotFoundError

HTTP 500 Whoops, looks like something went wrong.

Attempted to load class "TemplatesComponent" from namespace "Joomla\Component\Templates\Administrator\Extension".
Did you forget a "use" statement for another namespace?

Exceptions 2

Symfony\Component\ErrorHandler\Error\ ClassNotFoundError

in /home/sites/site3/web/administrator/components/com_templates/services/provider.php (line 46)
  1.         $container->registerServiceProvider(new ComponentDispatcherFactory('\\Joomla\\Component\\Templates'));
  3.         $container->set(
  4.             ComponentInterface::class,
  5.             function (Container $container) {
  6.                 $component = new TemplatesComponent($container->get(ComponentDispatcherFactoryInterface::class));
  8.                 $component->setMVCFactory($container->get(MVCFactoryInterface::class));
  9.                 $component->setRegistry($container->get(Registry::class));
  11.                 return $component;
in /home/sites/site3/web/libraries/vendor/joomla/di/src/ContainerResource.php -> {closure} (line 172)
  1.             }
  3.             return $this->instance;
  4.         }
  6.         return $callable($this->container);
  7.     }
  9.     /**
  10.      * Get the factory
  11.      *
in /home/sites/site3/web/libraries/vendor/joomla/di/src/Container.php -> getInstance (line 95)
  1.             }
  3.             throw new KeyNotFoundException(sprintf("Resource '%s' has not been registered with the container.", $resourceName));
  4.         }
  6.         return $this->resources[$key]->getInstance();
  7.     }
  9.     /**
  10.      * Check if specified resource exists.
  11.      *
Container->get('Joomla\\CMS\\Extension\\ComponentInterface') in /home/sites/site3/web/libraries/src/Extension/ExtensionManagerTrait.php (line 177)
  1.                     'container'     => $container,
  2.                 ]
  3.             )
  4.         );
  6.         $extension = $container->get($type);
  8.         if ($extension instanceof BootableExtensionInterface) {
  9.             $extension->boot($container);
  10.         }
CMSApplication->loadExtension('Joomla\\CMS\\Extension\\ComponentInterface', 'templates', '/home/sites/site3/web/administrator/components/com_templates') in /home/sites/site3/web/libraries/src/Extension/ExtensionManagerTrait.php (line 51)
  1.         $component = str_starts_with($component, 'com_') ? substr($component, 4) : $component;
  3.         // Path to look for services
  4.         $path = JPATH_ADMINISTRATOR . '/components/com_' . $component;
  6.         return $this->loadExtension(ComponentInterface::class, $component, $path);
  7.     }
  9.     /**
  10.      * Boots the module with the given name.
  11.      *
CMSApplication->bootComponent('templates') in /home/sites/site3/web/libraries/src/Application/SiteApplication.php (line 464)
  1.         $cacheId = 'templates0' . $tag;
  3.         if ($cache->contains($cacheId)) {
  4.             $templates = $cache->get($cacheId);
  5.         } else {
  6.             $templates = $this->bootComponent('templates')->getMVCFactory()
  7.                 ->createModel('Style', 'Administrator')->getSiteTemplates();
  9.             foreach ($templates as &$template) {
  10.                 // Create home element
  11.                 if ($template->home == 1 && !isset($template_home) || $this->getLanguageFilter() && $template->home == $tag) {
SiteApplication->getTemplate(true) in /home/sites/site3/web/libraries/src/Error/Renderer/HtmlRenderer.php (line 50)
  1.     public function render(\Throwable $error): string
  2.     {
  3.         $app = Factory::getApplication();
  5.         // Get the current template from the application
  6.         $template = $app->getTemplate(true);
  8.         // Push the error object into the document
  9.         $this->getDocument()->setError($error);
  11.         // Add registry file for the template asset
HtmlRenderer->render(object(Error)) in /home/sites/site3/web/libraries/src/Exception/ExceptionHandler.php (line 136)
  1.                     'subject'  => $app,
  2.                     'document' => $renderer->getDocument(),
  3.                 ])
  4.             );
  6.             $data = $renderer->render($error);
  8.             // If nothing was rendered, just use the message from the Exception
  9.             if (empty($data)) {
  10.                 $data = $error->getMessage();
  11.             }
ExceptionHandler::render(object(Error)) in /home/sites/site3/web/libraries/src/Exception/ExceptionHandler.php (line 73)
  1.      * @since   3.10.0
  2.      */
  3.     public static function handleException(\Throwable $error)
  4.     {
  5.         static::logException($error);
  6.         static::render($error);
  7.     }
  9.     /**
  10.      * Render the error page based on an exception.
  11.      *
ExceptionHandler::handleException(object(Error)) in /home/sites/site3/web/libraries/src/Application/CMSApplication.php (line 336)
  1.             );
  3.             // Trigger the onError event.
  4.             $this->dispatchEvent('onError', $event);
  6.             ExceptionHandler::handleException($event->getError());
  7.         }
  9.         // Trigger the onBeforeRespond event.
  10.         $this->dispatchEvent(
  11.             'onBeforeRespond',
CMSApplication->execute() in /home/sites/site3/web/includes/app.php (line 58)
  2. // Set the application as global app
  3. \Joomla\CMS\Factory::$application = $app;
  5. // Execute the application.
  6. $app->execute();
require_once('/home/sites/site3/web/includes/app.php') in /home/sites/site3/web/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);
  5. // Run the application - All executable code should be triggered through this file
  6. require_once dirname(__FILE__) . '/includes/app.php';

Error

Failed opening required '/home/sites/site3/web/administrator/cache/autoload_psr4.php' (include_path='.:/usr/share/php')

in /home/sites/site3/web/libraries/namespacemap.php (line 104)
  1.     {
  2.         if (!$this->exists()) {
  3.             $this->create();
  4.         }
  6.         $map = $this->cachedMap ?: require $this->file;
  8.         $loader = include JPATH_LIBRARIES . '/vendor/autoload.php';
  10.         foreach ($map as $namespace => $path) {
  11.             $loader->setPsr4($namespace, $path);
JNamespacePsr4Map->load() in /home/sites/site3/web/libraries/src/Application/ExtensionNamespaceMapper.php (line 34)
  1.      */
  2.     public function createExtensionNamespaceMap()
  3.     {
  4.         \JLoader::register('JNamespacePsr4Map', JPATH_LIBRARIES . '/namespacemap.php');
  5.         $extensionPsr4Loader = new \JNamespacePsr4Map();
  6.         $extensionPsr4Loader->load();
  7.     }
  8. }
CMSApplication->createExtensionNamespaceMap() in /home/sites/site3/web/libraries/src/Application/CMSApplication.php (line 303)
  1.     public function execute()
  2.     {
  3.         try {
  4.             $this->sanityCheckSystemVariables();
  5.             $this->setupLogging();
  6.             $this->createExtensionNamespaceMap();
  8.             // Perform application routines.
  9.             $this->doExecute();
  11.             // If we have an application document object, render it.
CMSApplication->execute() in /home/sites/site3/web/includes/app.php (line 58)
  2. // Set the application as global app
  3. \Joomla\CMS\Factory::$application = $app;
  5. // Execute the application.
  6. $app->execute();
require_once('/home/sites/site3/web/includes/app.php') in /home/sites/site3/web/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);
  5. // Run the application - All executable code should be triggered through this file
  6. require_once dirname(__FILE__) . '/includes/app.php';

Stack Traces 2

[2/2] ClassNotFoundError 
Symfony\Component\ErrorHandler\Error\ClassNotFoundError:
Attempted to load class "TemplatesComponent" from namespace "Joomla\Component\Templates\Administrator\Extension".
Did you forget a "use" statement for another namespace?

  at /home/sites/site3/web/administrator/components/com_templates/services/provider.php:46
  at Joomla\DI\ServiceProviderInterface@anonymous/home/sites/site3/web/administrator/components/com_templates/services/provider.php:28$75->{closure}(object(Container))
     (/home/sites/site3/web/libraries/vendor/joomla/di/src/ContainerResource.php:172)
  at Joomla\DI\ContainerResource->getInstance()
     (/home/sites/site3/web/libraries/vendor/joomla/di/src/Container.php:95)
  at Joomla\DI\Container->get('Joomla\\CMS\\Extension\\ComponentInterface')
     (/home/sites/site3/web/libraries/src/Extension/ExtensionManagerTrait.php:177)
  at Joomla\CMS\Application\CMSApplication->loadExtension('Joomla\\CMS\\Extension\\ComponentInterface', 'templates', '/home/sites/site3/web/administrator/components/com_templates')
     (/home/sites/site3/web/libraries/src/Extension/ExtensionManagerTrait.php:51)
  at Joomla\CMS\Application\CMSApplication->bootComponent('templates')
     (/home/sites/site3/web/libraries/src/Application/SiteApplication.php:464)
  at Joomla\CMS\Application\SiteApplication->getTemplate(true)
     (/home/sites/site3/web/libraries/src/Error/Renderer/HtmlRenderer.php:50)
  at Joomla\CMS\Error\Renderer\HtmlRenderer->render(object(Error))
     (/home/sites/site3/web/libraries/src/Exception/ExceptionHandler.php:136)
  at Joomla\CMS\Exception\ExceptionHandler::render(object(Error))
     (/home/sites/site3/web/libraries/src/Exception/ExceptionHandler.php:73)
  at Joomla\CMS\Exception\ExceptionHandler::handleException(object(Error))
     (/home/sites/site3/web/libraries/src/Application/CMSApplication.php:336)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/home/sites/site3/web/includes/app.php:58)
  at require_once('/home/sites/site3/web/includes/app.php')
     (/home/sites/site3/web/index.php:32)
[1/2] Error 
Error:
Failed opening required '/home/sites/site3/web/administrator/cache/autoload_psr4.php' (include_path='.:/usr/share/php')

  at /home/sites/site3/web/libraries/namespacemap.php:104
  at JNamespacePsr4Map->load()
     (/home/sites/site3/web/libraries/src/Application/ExtensionNamespaceMapper.php:34)
  at Joomla\CMS\Application\CMSApplication->createExtensionNamespaceMap()
     (/home/sites/site3/web/libraries/src/Application/CMSApplication.php:303)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/home/sites/site3/web/includes/app.php:58)
  at require_once('/home/sites/site3/web/includes/app.php')
     (/home/sites/site3/web/index.php:32)