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I have been trying to upgrade a site from EE 2.5.5 to EE 2.8.1, but I get a white screen on the admin.php page after the upgrade is complete. The only way to get rid of the white screen is to disable extensions in the config.php file. I also get the login window that usually appears after the usual non-use timeout, except it is not a popup. This happens, when I am logged in. It appears at the bottom of the control panel - see screebshot below.

I have tried upgrading all plugins, but so far I cannot enable extensions without getting the white screen.

I have upgraded numerous sites to EE 2.8.1 but none have been this problematic. Any sage advice is welcome.

Thanks.

enter image description here

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  • Are you using Structure, by any chance?
    – SamC
    May 16, 2014 at 19:30

1 Answer 1

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Have you checked all of your installed add-ons for updated versions? White screens are also typically a sign of hidden errors, so make sure that display_errors is enabled in your PHP environment, and set the $debug value in the admin.php file to 1. That may reveal a PHP error that identifies the problem.

If that doesn't help, and you think you have the latest versions of each add-on but it's still not working, as a last measure of debugging you could flip the enabled field for each entry in the exp_extensions table to n (after noting which are already y/n so that you can restore those values after testing). Then re-enable them one at a time by updating each row to y. When you run into the problem again, you've at least identified the offending add-on.

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  • Hi Derek, thanks for the response. This helped resolve the conflicting extension. Now if I can just get rid of the login window.
    – forrest
    May 16, 2014 at 20:38
  • Could it be jQuery related because devot:ee monitor does not respond in that area now.
    – forrest
    May 16, 2014 at 21:03
  • Got it resolved. Thanks for the help. URL Helper needed updated and a CP Theme was missing.
    – forrest
    May 16, 2014 at 21:29

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