Help! Updated to 8.4.3 - Website is now down!

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Hi!
I updated 2 sites from 5.7.13 to 8.4.3, in exacty the same way.. one is up and running and the other is now down! When I go to the site.. there is no error message.. nothing.. just a blank page. Also when I view the blank page's page source.. it's totally empty? It still has the .ico logo in the tab though... I guess it's suggesting the website is still there.. somewhere lol.

The only thing I did different when backing up the databases for both sites is that on the site that is down.. I renamed the mysql database in order to make it easier for me to identify the site once I backed it up to my local computer. I did not rename the database on the site that's up and running. I later read somewhere that renaming the database could cause it to corrupt. I have no idea if that is correct? However, if it is.. I now wonder if that's the problem. I'm just guessing as I'm not a developer or programmer. If that is the problem.. can it be fixed?

I'm exhausted from trying to find a solution.

I wonder if anyone can help me troubleshoot where I may have gone wrong? And how I may restore that site? Please :)

Thank you in advance.

brisseo
 
core77 replied on at Permalink Reply
Had the same situation.

For me it helped to rename the folder /application/config/generated_overrides folder and to increase the php memory_limit from 100 to 256 MB.

The generated_overrides folder will be generated again when you reload the page. In the concrete.php and site.php there are some settings like the site's name and rewrite urls (if you set this). You can copy these arrays into /application/config/site.php and /application/config/concrete.php. This way you don't lose these settings when you rename generated_overrides!
brisseo replied on at Permalink Reply
brisseo
Thank you, but that didn't help on this occassion. :)
Myq replied on at Permalink Reply
Myq
Did you manage to resolve this? If not, do you have access to the logs? There should be something in your server error logs indicating the problem.
brisseo replied on at Permalink Reply
brisseo
I did find errors in the logs, however, I may need someone to look a them as I am not able to decipher them :)
stewblack23 replied on at Permalink Best Answer Reply
stewblack23
Hey brisseo

Let me know if you are still having issues with getting your sites working. I have some time to do a screenshare and look into your problem.
brisseo replied on at Permalink Reply
brisseo
Hi! That would be awesome, if the offer is still open :)
core77 replied on at Permalink Reply
What was causing this problem?
brisseo replied on at Permalink Reply
brisseo
Thanks to @stewblack23 for thoroughly looking into this.. it appears that it's not a concrete5 error .. it's actually my hosting provider that is causing the problem! They have fully implemented php7.2 and have deleted php 7.0 completely from their servers. It appears my sites don't like that as they were running on 7.0. I'll have to switch providers where they can give a few php version options to choose from.