homepage is fine. All other pages 404

Thank you for the reply. This is what I found after turning debug on:

Symfony\Component\ErrorHandler\Error\ ClassNotFoundError
in /home/purrfect/public_html/templates/shaper_helixultimate/error.php (line 19)

use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
$app = Factory::getApplication();
$doc = Factory::getDocument();
$template = HelixUltimate\Framework\Platform\Helper::loadTemplateData();
$params = $template->params;
$theme_url = Uri::base(true) . '/templates/'. $this->template;
/** If SP Page Builder page as a error page is activated- */

require() in /home/purrfect/public_html/libraries/src/Document/HtmlDocument.php (line 779)
HtmlDocument->_loadTemplate() in /home/purrfect/public_html/libraries/src/Document/HtmlDocument.php (line 838)
HtmlDocument->_fetchTemplate() in /home/purrfect/public_html/libraries/src/Document/HtmlDocument.php (line 641)
HtmlDocument->parse() in /home/purrfect/public_html/libraries/src/Document/HtmlDocument.php (line 660)
HtmlDocument->render() in /home/purrfect/public_html/libraries/src/Document/ErrorDocument.php (line 140)
ErrorDocument->render() in /home/purrfect/public_html/libraries/src/Error/Renderer/HtmlRenderer.php (line 77)
HtmlRenderer->render() in /home/purrfect/public_html/libraries/src/Exception/ExceptionHandler.php (line 131)
ExceptionHandler::render() in /home/purrfect/public_html/libraries/src/Exception/ExceptionHandler.php (line 74)
ExceptionHandler::handleException() in /home/purrfect/public_html/libraries/src/Application/CMSApplication.php (line 311)
CMSApplication->execute() in /home/purrfect/public_html/includes/app.php (line 63)
require_once('/home/purrfect/public_html/includes/app.php') in /home/purrfect/public_html/index.php (line 32)
Error

Class "Joomla\Plugin\Behaviour\Taggable\Extension\Taggable" not found

This was in the header as well.

Attempted to load class "Helper" from namespace "HelixUltimate\Framework\Platform".
Did you forget a "use" statement for another namespace?

Symfony\Component\ErrorHandler\Error\ ClassNotFoundError was in the Header

Hello Chuck,

this looks really bad.
Even the backend is affected.

https://purrfectcompanions.org/administrator/

An error has occurred.
0 Class "Joomla\Plugin\Behaviour\Taggable\Extension\Taggable" not found

You unfortunately seem to be one of the affected users who retained a destroyed instance when updating Joomla to 4.2.

https://github.com/joomla/joomla-cms/issues/38474#issuecomment-1219742514

brianteeman commented 15 days ago
delete the file administrator/cache/autoload_psr4.php
problem solved

Please try this once.

Jens, I did delete file and now the it shows this error. Also I just recieved a notice from hosting saying they lost all of my server backups from hardware failure. I am sending the backup to Toufiq

Error
ClassNotFoundError
HTTP 500 Whoops, looks like something went wrong.
Attempted to load class "Helper" from namespace "HelixUltimate\Framework\Platform".
Did you forget a "use" statement for another namespace?

Exceptions 2 Stack Traces 2 

Symfony\Component\ErrorHandler\Error\ ClassNotFoundError
in /home/purrfect/public_html/templates/shaper_helixultimate/error.php (line 19)

use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
$app = Factory::getApplication();
$doc = Factory::getDocument();
$template = HelixUltimate\Framework\Platform\Helper::loadTemplateData();
$params = $template->params;
$theme_url = Uri::base(true) . '/templates/'. $this->template;
/** If SP Page Builder page as a error page is activated- */

require() in /home/purrfect/public_html/libraries/src/Document/HtmlDocument.php (line 779)
HtmlDocument->_loadTemplate() in /home/purrfect/public_html/libraries/src/Document/HtmlDocument.php (line 838)
HtmlDocument->_fetchTemplate() in /home/purrfect/public_html/libraries/src/Document/HtmlDocument.php (line 641)
HtmlDocument->parse() in /home/purrfect/public_html/libraries/src/Document/HtmlDocument.php (line 660)
HtmlDocument->render() in /home/purrfect/public_html/libraries/src/Document/ErrorDocument.php (line 140)
ErrorDocument->render() in /home/purrfect/public_html/libraries/src/Error/Renderer/HtmlRenderer.php (line 77)
HtmlRenderer->render() in /home/purrfect/public_html/libraries/src/Exception/ExceptionHandler.php (line 131)
ExceptionHandler::render() in /home/purrfect/public_html/libraries/src/Exception/ExceptionHandler.php (line 74)
ExceptionHandler::handleException() in /home/purrfect/public_html/libraries/src/Application/CMSApplication.php (line 311)
CMSApplication->execute() in /home/purrfect/public_html/includes/app.php (line 63)
require_once('/home/purrfect/public_html/includes/app.php') in /home/purrfect/public_html/index.php (line 32)
Error

Class "Joomla\Plugin\Behaviour\Taggable\Extension\Taggable" not found

Toufiq, here is the link to the backup files. I SO appreciate it.https://drive.google.com/file/d/1YE5Si8VLLwEaPsra2-UqLaY9fT8dwHYp/view?usp=sharing

I went to my cpanel and do not see any of those files. Not sure if you or Jens may have removed them. Very odd. In plugins>content: the last folder is "vote". Nothing from route 66 I will check the DB for any tables left.