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[resolved] wp-admin white screen of death -- Please help! (13 posts)

  1. candregg
    Member
    Posted 2 years ago #

    I just moved my client's new website files and b from my production server over to his live server. I deleted his previous (old) WP installation, replaced it with a brand-spankin-new 3.4.1 installation, and uploaded all the files as they were configured on the production server.

    The live site looks OK, but any attempt to access [mysite]/wp-admin returns a blank screen. From [mysite]/login.php, I can get a login box, but after entering the login credentials, I just end up back on the blank-screen-of-death.

    After reading a lot of forum posts on this topic, here are many of the things I've tried (none have been successful):

    1) deleting extra spaces in wp-admin/admin-functions.php
    2) deleting spaces in wp-content/themes/[mytheme]/functions.php
    3) deleting spaces in wp-includes/functions.php, functions.wp-scripts.php, and functions.wp-styles.php (and many other files.
    4) added define('WP_CACHE', 'false'); to the config.php file
    5) backed up the whole wp-admin folder, deleted it from FTP, re-uploaded
    6) deleted ALL plugins
    No joy whatsoever. Any other ideas?

  2. kmessinger
    Volunteer Moderator
    Posted 2 years ago #

    Have you tried:
    - deactivating all plugins (yes, all) to see if this resolves the problem. If this works, re-activate the plugins one by one until you find the problematic plugin(s). If you can't get into your admin dashboard, try resetting the plugins folder by FTP or PhpMyAdmin. Sometimes, an apparently inactive plugin can still cause problems.
    - switching to the Twenty Eleven theme to rule out any theme-specific problems.

  3. candregg
    Member
    Posted 2 years ago #

    I can't switch themes or 'deactivate' plugins, since I can't get into the admin dashboard. At all. (See "White screen of death".)

    As I said above, I did delete all the plugins, which did not work.

    I would be delighted to hear other ideas.

  4. candregg
    Member
    Posted 2 years ago #

    UPDATE: I have tried deactivating all plugins via phpMyAdmin and, separately, deleted the whole plugins folder. Neither one worked to bring back the admin area.

    Please advise if any other ideas.

  5. candregg
    Member
    Posted 2 years ago #

    One more discovery. I installed WP_DEBUG and received the following error at the wp-admin page:

    Notice: get_theme_data is deprecated since version 3.4! Use wp_get_theme() instead. in /home/indisaw9/public_html/blog/wp-includes/functions.php on line 2628

    Notice: get_theme_data is deprecated since version 3.4! Use wp_get_theme() instead. in /home/indisaw9/public_html/blog/wp-includes/functions.php on line 2628

    Warning: Cannot modify header information - headers already sent by (output started at /home/indisaw9/public_html/blog/wp-includes/functions.php:2628) in /home/indisaw9/public_html/blog/wp-includes/pluggable.php on line 881

    I have looked at the includes/functions.php file and found no extra spaces, etc. I even copied over a fresh, clean version of the file from a new download of WP 3.4.1, and yet I still get the problem.

    Help?

  6. esmi
    Forum Moderator
    Posted 2 years ago #

    You can safely ignore the first 2 notices for the time being. Its the third that may be causing your problems. create a new, empty plugins folder inside wp-content and switch to the Twenty Eleven theme by renaming your current theme's folder inside wp-content/themes and adding "-old" to the end of the folder name using FTP or whatever file management application your host provides.

  7. candregg
    Member
    Posted 2 years ago #

    Good ideas, but had no effect whatsoever. I even still received the same warnings. Grrrr....

    Oh, it did manage to destroy the live site, though. Previously, the live site had been working, I just couldn't get into the admin area. I'm going to have to put all that back or he client will kill me...

    Any other ideas??

  8. esmi
    Forum Moderator
    Posted 2 years ago #

    Have you tried checking through the error logs?

  9. candregg
    Member
    Posted 2 years ago #

    Finally found it using debug function in the config.php file

    define( 'WP_DEBUG', true );

    I updated to the most current version of the parent theme and magically everything in the admin started working again.

    Thanks for all your tips.

  10. 4our2cents
    Member
    Posted 2 years ago #

    I'm having this exact issue but I did nothing to make it happen. No updates or plug-ins or anything. I can't access anything. It's completely white screen although anyone going to my blog would see nothing abnormal. So frustrating.

  11. kristenmyers
    Member
    Posted 1 year ago #

    Has anyone found any other solutions to this issue? I recently changed my domain name (still using the same hosting space) and have the same [mysite]/wp-admin blank screen problem as the original poster. I've tried all the potential solutions listed above and nothing has worked. I have no access to wp-admin... help!

  12. esmi
    Forum Moderator
    Posted 1 year ago #

  13. sparker
    Member
    Posted 1 year ago #

    Just for another possible solution.

    This has happened twice on my site (on a shared server with shared database servers), and somehow one or more database tables became corrupt. It was obvious when I set DEBUG to TRUE and tried to log in (lots of errors about a corrupt user table).

    Running a MySQL repair on the database resolved it for me.

    Steve

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