Symfony\Component\ErrorHandler\Error\ ClassNotFoundError 

     * @license https://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or Later
     */
    defined('_JEXEC') or die;
    if (!defined('_ASTROID')) {
       try {
          Astroid\Framework::init();
       } catch (\Exception $e) {
          die('Please install and activate <a href="https://www.astroidframework.com/" target="_blank">Astroid Framework</a> in order to use this template.');
       }
    }

require() in C:\wamp64\www\jperfect2\libraries\src\Document\HtmlDocument.php (line 779)
HtmlDocument->_loadTemplate('C:\\wamp64\\www\\jperfect2\\templates/tp_perfect', 'error.php') in C:\wamp64\www\jperfect2\libraries\src\Document\HtmlDocument.php (line 838)
HtmlDocument->_fetchTemplate(array('template' => 'tp_perfect', 'directory' => 'C:\\wamp64\\www\\jperfect2\\templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php')) in C:\wamp64\www\jperfect2\libraries\src\Document\HtmlDocument.php (line 641)
HtmlDocument->parse(array('template' => 'tp_perfect', 'directory' => 'C:\\wamp64\\www\\jperfect2\\templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php')) in C:\wamp64\www\jperfect2\libraries\src\Document\HtmlDocument.php (line 660)
HtmlDocument->render(false, array('template' => 'tp_perfect', 'directory' => 'C:\\wamp64\\www\\jperfect2\\templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php')) in C:\wamp64\www\jperfect2\libraries\src\Document\ErrorDocument.php (line 140)
ErrorDocument->render(false, array('template' => 'tp_perfect', 'directory' => 'C:\\wamp64\\www\\jperfect2\\templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php')) in C:\wamp64\www\jperfect2\libraries\src\Error\Renderer\HtmlRenderer.php (line 77)
HtmlRenderer->render(object(InvalidArgumentException)) in C:\wamp64\www\jperfect2\libraries\src\Exception\ExceptionHandler.php (line 131)
ExceptionHandler::render(object(InvalidArgumentException)) in C:\wamp64\www\jperfect2\libraries\src\Exception\ExceptionHandler.php (line 74)
ExceptionHandler::handleException(object(InvalidArgumentException)) in C:\wamp64\www\jperfect2\libraries\src\Application\CMSApplication.php (line 311)
CMSApplication->execute() in C:\wamp64\www\jperfect2\includes\app.php (line 63)
require_once('C:\\wamp64\\www\\jperfect2\\includes\\app.php') in C:\wamp64\www\jperfect2\index.php (line 32) 

----------------------------------------
PAge 1/2
InvalidArgumentException:
behavior::caption not found.

  at C:\wamp64\www\jperfect2\libraries\src\HTML\HTMLHelper.php:140
  at Joomla\CMS\HTML\HTMLHelper::_('jhtml.behavior.caption')
     (C:\wamp64\www\jperfect2\templates\tp_perfect\html\com_content\article\default.php:31)
  at include('C:\\wamp64\\www\\jperfect2\\templates\\tp_perfect\\html\\com_content\\article\\default.php')
     (C:\wamp64\www\jperfect2\libraries\src\MVC\View\HtmlView.php:436)
  at Joomla\CMS\MVC\View\HtmlView->loadTemplate(null)
     (C:\wamp64\www\jperfect2\libraries\src\MVC\View\HtmlView.php:220)
  at Joomla\CMS\MVC\View\HtmlView->display(null)
     (C:\wamp64\www\jperfect2\components\com_content\src\View\Article\HtmlView.php:260)
  at Joomla\Component\Content\Site\View\Article\HtmlView->display()
     (C:\wamp64\www\jperfect2\libraries\src\Cache\Controller\ViewController.php:102)
  at Joomla\CMS\Cache\Controller\ViewController->get(object(HtmlView), 'display')
     (C:\wamp64\www\jperfect2\libraries\src\MVC\Controller\BaseController.php:688)
  at Joomla\CMS\MVC\Controller\BaseController->display(true, array('catid' => 'INT', 'id' => 'INT', 'cid' => 'ARRAY', 'year' => 'INT', 'month' => 'INT', 'limit' => 'UINT', 'limitstart' => 'UINT', 'showall' => 'INT', 'return' => 'BASE64', 'filter' => 'STRING', 'filter_order' => 'CMD', 'filter_order_Dir' => 'CMD', 'filter-search' => 'STRING', 'print' => 'BOOLEAN', 'lang' => 'CMD', 'Itemid' => 'INT'))
     (C:\wamp64\www\jperfect2\components\com_content\src\Controller\DisplayController.php:124)
  at Joomla\Component\Content\Site\Controller\DisplayController->display()
     (C:\wamp64\www\jperfect2\libraries\src\MVC\Controller\BaseController.php:735)
  at Joomla\CMS\MVC\Controller\BaseController->execute('display')
     (C:\wamp64\www\jperfect2\libraries\src\Dispatcher\ComponentDispatcher.php:146)
  at Joomla\CMS\Dispatcher\ComponentDispatcher->dispatch()
     (C:\wamp64\www\jperfect2\components\com_content\src\Dispatcher\Dispatcher.php:55)
  at Joomla\Component\Content\Site\Dispatcher\Dispatcher->dispatch()
     (C:\wamp64\www\jperfect2\libraries\src\Component\ComponentHelper.php:389)
  at Joomla\CMS\Component\ComponentHelper::renderComponent('com_content')
     (C:\wamp64\www\jperfect2\libraries\src\Application\SiteApplication.php:204)
  at Joomla\CMS\Application\SiteApplication->dispatch()
     (C:\wamp64\www\jperfect2\libraries\src\Application\SiteApplication.php:243)
  at Joomla\CMS\Application\SiteApplication->doExecute()
     (C:\wamp64\www\jperfect2\libraries\src\Application\CMSApplication.php:278)
  at Joomla\CMS\Application\CMSApplication->execute()
     (C:\wamp64\www\jperfect2\includes\app.php:63)
  at require_once('C:\\wamp64\\www\\jperfect2\\includes\\app.php')
     (C:\wamp64\www\jperfect2\index.php:32)                

---------------------------
[2/2] ClassNotFoundError

Symfony\Component\ErrorHandler\Error\ClassNotFoundError:
Attempted to load class "Framework" from namespace "Astroid".
Did you forget a "use" statement for another namespace?

  at C:\wamp64\www\jperfect2\templates\tp_perfect\error.php:12
  at require()
     (C:\wamp64\www\jperfect2\libraries\src\Document\HtmlDocument.php:779)
  at Joomla\CMS\Document\HtmlDocument->_loadTemplate('C:\\wamp64\\www\\jperfect2\\templates/tp_perfect', 'error.php')
     (C:\wamp64\www\jperfect2\libraries\src\Document\HtmlDocument.php:838)
  at Joomla\CMS\Document\HtmlDocument->_fetchTemplate(array('template' => 'tp_perfect', 'directory' => 'C:\\wamp64\\www\\jperfect2\\templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php'))
     (C:\wamp64\www\jperfect2\libraries\src\Document\HtmlDocument.php:641)
  at Joomla\CMS\Document\HtmlDocument->parse(array('template' => 'tp_perfect', 'directory' => 'C:\\wamp64\\www\\jperfect2\\templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php'))
     (C:\wamp64\www\jperfect2\libraries\src\Document\HtmlDocument.php:660)
  at Joomla\CMS\Document\HtmlDocument->render(false, array('template' => 'tp_perfect', 'directory' => 'C:\\wamp64\\www\\jperfect2\\templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php'))
     (C:\wamp64\www\jperfect2\libraries\src\Document\ErrorDocument.php:140)
  at Joomla\CMS\Document\ErrorDocument->render(false, array('template' => 'tp_perfect', 'directory' => 'C:\\wamp64\\www\\jperfect2\\templates', 'debug' => true, 'csp_nonce' => null, 'templateInherits' => '', 'params' => object(Registry), 'file' => 'error.php'))
     (C:\wamp64\www\jperfect2\libraries\src\Error\Renderer\HtmlRenderer.php:77)
  at Joomla\CMS\Error\Renderer\HtmlRenderer->render(object(InvalidArgumentException))
     (C:\wamp64\www\jperfect2\libraries\src\Exception\ExceptionHandler.php:131)
  at Joomla\CMS\Exception\ExceptionHandler::render(object(InvalidArgumentException))
     (C:\wamp64\www\jperfect2\libraries\src\Exception\ExceptionHandler.php:74)
  at Joomla\CMS\Exception\ExceptionHandler::handleException(object(InvalidArgumentException))
     (C:\wamp64\www\jperfect2\libraries\src\Application\CMSApplication.php:311)
  at Joomla\CMS\Application\CMSApplication->execute()
     (C:\wamp64\www\jperfect2\includes\app.php:63)
  at require_once('C:\\wamp64\\www\\jperfect2\\includes\\app.php')
     (C:\wamp64\www\jperfect2\index.php:32)