Topic-icon Error Code: 500 - Internal Server Error. The page could not be rendere

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So asked to restore my site to previous version and everything was normal again. I noticed the update available icon and clicked again and I got similar error while accessing page online. When I run auto tune, I get below error o error check step:
JFBConnect Remote Error Check
Checks performed on: exambag.com/

Error: Could not fetch page. Server returned:

Error Code: 500 - Internal Server Error. The page could not be rendered

If you unsure why you are seeing this error, please contact us and we can help.
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Support Specialist
I can't access your home page right now either using Chrome. I get the standard error message of:

Server error
The website encountered an error while retrieving exambag.com/. It may be down for maintenance or configured incorrectly.
Here are some suggestions:
Reload this webpage later.
HTTP Error 500 (Internal Server Error): An unexpected condition was encountered while the server was attempting to fulfill the request.


Try going into the admin area of Joomla and the Global Configuration settings. Set "Error Reporting" to "Maximum" and turn GZip compression off. See if there's a pretty error on the home page that might help you (or us) narrow down what's causing the problem.

Thanks,
Alex
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OK, I get the below details and can see part of site. Meanwhile I upgraded some opengraph components that were still at 4.3.x
I believe when the site was restored to last nights backup I lost these updates again:

Notice: Undefined property: JSite::$registeredurlparams in /mnt/data/vhosts/casite-367848.cloudaccess.net/httpdocs/libraries/joomla/cache/cache.php on line 639

Notice: Undefined property: stdClass::$tree in /mnt/data/vhosts/casite-367848.cloudaccess.net/httpdocs/includes/menu.php on line 52
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Interesting. After upgrading the opengraph plugins it seems like fixed. Those messages were system warnings as per joomla helpdesk and not to be worried. Correct?
I set the error messages back to system defult now. Unless you have something else to tell me about those error messags
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Support Specialist
Not sure why that would have happened, but it sounds like you're good to go. The messages you posted above were just PHP Notices, which are the least severe of messages that PHP can display (notice, warning, strict, error). It doesn't mean anything is wrong, just to be aware of something that could be. They also weren't coming from JFBConnect directly, though we could have been causing them indirectly somehow.

If things work now, you should be good to go. Sorry for the troubles, whatever they were :)

Thanks,
Alex
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