I recently updated my Concrete CMS to the latest version, v9.2.0, and now I’m facing a frustrating white background issue when trying to access the admin panel. I have already attempted clearing my browser cache and disabling all add-ons, but the Blank WHITESCREEN website issue persists. The front end of the site appears to be functioning normally, which makes this even more perplexing.
Has anyone else encountered a similar problem after the update? Any advice on troubleshooting or potential fixes would be greatly appreciated!
That’s interesting that the front-end is still working, but the dashboard isn’t.
Some things to check:
check that you’re running PHP8. V9 does work on PHP7.4, but maybe is trying to load something that isn’t compatible an older version of PHP
Check your server logs, to see if you can spot something like memory exhaustion, or maybe a missing PHP module. Check your PHP settings in general in cPanel (or whatever you are using), in case they’ve dropped back to some default settings where the memory is too low
You could try clearing concrete’s cache manually by deleting the folders /application/files/cache/expensive, /application/files/cache/overrides and /application/files/cache/pages. They should be recreated when you view the site
Can you get to the login page, and it’s the dashboard page that white-screens? Or can you not even get to the login?