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How To Fix The Allowed Memory Size Exhausted Error in WordPress

You are on this page because you saw an error on your WordPress site that looked like following,

Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 2348919 bytes) in /home/some_directory/public_html/wp-includes/plugin.php on line some_directory

This issue normally arises while activating a new plugin or when a plugin or theme is working fine, but runs out of memory to complete its task. The memory limit WordPress is, by default, 32M. So, if a plugin or theme needs memory more then 32M, then the above error arises.

Allowed Memory Size Exhausted Error in WordPress

To fix this memory size exhausted error, open wp-config.php file in your root directory on your web host, and add the following line in it.

define('WP_MEMORY_LIMIT', '64M');

This line tells WordPress to increase the memory limit to 64M, thus fixing the error.

If you are still getting the memory size exhausted error, even after increasing the memory limit, then there is something really wrong with one of your plugins.

To find the culprit plugin deactivate all your plugins, then activate them one by one, checking the site after each plugin’s activation. You’ll be able to find the plugin that is causing the problem. Then either use some other plugin that does the same job.

Note that you need to login to WordPress admin panel (dashboard) to deactivate the plugins. But sometimes you can’t even login to WordPress dashboard due to this issue. If this is the case, then follow this procedure:

• Use any FTP program, like Filezilla, to rename all your plugins’ folders.

• Rename all the plugin folders. This will deactivate all the plugins automatically.

• Now rename the plugin directories to their original name one by one, like I explained above, to find the plugin that is causing the problem.

I know that the procedure is time consuming, but its the only way to find the problematic plugin. Sometimes the error message can tell directly the faulty plugin, but you need some experience with WordPress to find out that.

If you are uncomfortable with troubleshooting this issue yourself, or if you have tried everything posted above and the error message is still showing, then it may be something else. You can hire me to work with your web host to fix this issue.

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