Add this line of code to your wp-config.php file
define(‘WP_MEMORY_LIMIT’, ’64’);
Moderator
t-p
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Try:
-deactivating ALL plugins temporarily to narrow down and possibly fix the problem. If the problem goes away, activate them individually (one-by-one) to find the culprit.
If you don’t have access to your admin area, try deactivating them manually via FTP or phpMyAdmin.
-switching to the default theme (“twentyten”) for a moment by renaming your current theme’s folder in wp-content/themes. The idea is to force WordPress to fall back to the default theme to rule out any theme-specific issue.
If you don’t have access to your admin area, then access your server via FTP or SFTP or whatever file management application your host provides.
-If the above steps do not resolve the issue, Download WordPress again and replace your copies of everything EXCEPT the wp-config.php file and the /wp-content/ directory with fresh copies. This should replace your core files without changing your content and settings in wp-config.php file and the /wp-content/ directory.
There are at least four ways to increase memory for WordPress. MichaelH has listed them nicely about half way down this thread:
http://wordpress.org/support/topic/memory-exhausted-error-in-admin-panel-after-upgrade-to-28?replies=67
1. If you have access to your PHP.ini file, change the line in PHP.ini
If your line shows 32M try 64M:
memory_limit = 64M ; Maximum amount of memory a script may consume (64MB)
2. If you don’t have access to PHP.ini try adding this to an .htaccess file:
php_value memory_limit 64M
3. Try adding this line to your wp-config.php file:
Increasing memory allocated to PHP
define(‘WP_MEMORY_LIMIT’, ’64M’);
4. Talk to your host.
