Title: Error 500 in wp-admin/admin-ajax.php before adding column
Last modified: August 22, 2016

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# Error 500 in wp-admin/admin-ajax.php before adding column

 *  [vertigofactory](https://wordpress.org/support/users/vertigofactory/)
 * (@vertigofactory)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/error-500-in-wp-adminadmin-ajaxphp-before-adding-column/)
 * Hello,
    when I try to add a column for a custom post type, and I select the column
   type, then the spinning wheel icon appears and into the inspector I can find 
   an error 500 related to a POST wp-admin/admin-ajax.php.
 * Does anyone have the same problem?
 * Thank you!
 * [https://wordpress.org/plugins/codepress-admin-columns/](https://wordpress.org/plugins/codepress-admin-columns/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [Tobias Schutter](https://wordpress.org/support/users/tschutter/)
 * (@tschutter)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/error-500-in-wp-adminadmin-ajaxphp-before-adding-column/#post-5594209)
 * Could you try deactivating all other plugins and switch to a default Twenty theme,
   and see if the error persists?
 *  Thread Starter [vertigofactory](https://wordpress.org/support/users/vertigofactory/)
 * (@vertigofactory)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/error-500-in-wp-adminadmin-ajaxphp-before-adding-column/#post-5594210)
 * I activated the debug, it is a memory error:
    `PHP Fatal error: Allowed memory
   size of 134217728 bytes exhausted (tried to allocate 72 bytes) in /***/wp-includes/
   taxonomy.php on line 3369` (where *** is the path).
 * I’ll try increasing the memory. Thank you

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Error 500 in wp-admin/admin-ajax.php before adding column’ is closed 
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## Tags

 * [admin-ajax](https://wordpress.org/support/topic-tag/admin-ajax/)
 * [error 500](https://wordpress.org/support/topic-tag/error-500/)

 * 2 replies
 * 2 participants
 * Last reply from: [vertigofactory](https://wordpress.org/support/users/vertigofactory/)
 * Last activity: [11 years, 5 months ago](https://wordpress.org/support/topic/error-500-in-wp-adminadmin-ajaxphp-before-adding-column/#post-5594210)
 * Status: not resolved