Title: WordPress database error Unknown column caused by Schema plugin
Last modified: November 14, 2016

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# WordPress database error Unknown column caused by Schema plugin

 *  Resolved [moisb](https://wordpress.org/support/users/moisb/)
 * (@moisb)
 * [9 years, 6 months ago](https://wordpress.org/support/topic/wordpress-database-error-unknown-column-caused-by-schema-plugin/)
 * I was loving the plugin, but unfortunately after activating and deactivating 
   my plugins one by one, I discovered that it was Schema that was causing the following
   errors that made it impossible for users to access pages /tag/…. the pages would
   remain loading until the connection was interrupted:
 *     ```
       PHP message: WordPress database error Unknown column 'wp_postmeta.meta_value' in 'order clause' for query SELECT   wp_posts.* FROM wp_posts  WHERE 1=1  AND wp_posts.post_type = 'schema'$
       PHP message: WordPress database error Unknown column 'wp_postmeta.meta_value' in 'order clause' for query SELECT   wp_posts.* FROM wp_posts  WHERE 1=1  AND wp_posts.post_type = 'schema'$
       PHP message: WordPress database error Unknown column 'wp_postmeta.meta_value' in 'order clause' for query SELECT   wp_posts.* FROM wp_posts  WHERE 1=1  AND wp_posts.post_type = 'schema'$
       2016/11/14 17:51:32 [error] 3677#0: *921 FastCGI sent in stderr: "n 'wp_postmeta.meta_value' in 'order clause' for query SELECT   wp_posts.ID FROM wp_posts  WHERE 1=1  AND wp_posts.post_type = 'um$
       2016/11/14 17:58:40 [error] 3676#0: *1155 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 189.4.10.120, server: mywebsite.com, request: "GET /tag/apps/ HTTP/1.1", u$
       ```
   
 * I was forced to uninstall the plugin. But I would very much like to use it again
   if this error were corrected.
    -  This topic was modified 9 years, 6 months ago by [moisb](https://wordpress.org/support/users/moisb/).
    -  This topic was modified 9 years, 6 months ago by [moisb](https://wordpress.org/support/users/moisb/).

Viewing 6 replies - 1 through 6 (of 6 total)

 *  Plugin Author [Hesham Zebida](https://wordpress.org/support/users/hishaman/)
 * (@hishaman)
 * [9 years, 6 months ago](https://wordpress.org/support/topic/wordpress-database-error-unknown-column-caused-by-schema-plugin/#post-8435921)
 * Hi,
 * What version of PHP runs on your server?
 * Can you restart your server? (maybe ask your hosting provider to do so for you)
 *  Thread Starter [moisb](https://wordpress.org/support/users/moisb/)
 * (@moisb)
 * [9 years, 6 months ago](https://wordpress.org/support/topic/wordpress-database-error-unknown-column-caused-by-schema-plugin/#post-8436144)
 * Hi Hesham. I use PHP 5.5.9 and Nginx 1.4.1
    My server is in aws, already reset
   one time after installing your plugin. Do you think updating my php can solve?
   I can not update to php 7 because I have some plugins that are not 100% compatible
 *  Thread Starter [moisb](https://wordpress.org/support/users/moisb/)
 * (@moisb)
 * [9 years, 6 months ago](https://wordpress.org/support/topic/wordpress-database-error-unknown-column-caused-by-schema-plugin/#post-8443449)
 * Today I updated PHP to version 5.6.28. I will reactivate your plugin and warn
   you if the problem persists.
 *  Plugin Author [Hesham Zebida](https://wordpress.org/support/users/hishaman/)
 * (@hishaman)
 * [9 years, 6 months ago](https://wordpress.org/support/topic/wordpress-database-error-unknown-column-caused-by-schema-plugin/#post-8465870)
 * Thanks, looking forward to hear from you!
 *  Thread Starter [moisb](https://wordpress.org/support/users/moisb/)
 * (@moisb)
 * [9 years, 6 months ago](https://wordpress.org/support/topic/wordpress-database-error-unknown-column-caused-by-schema-plugin/#post-8466152)
 * Sorry for the delay. It’s all okay now, thank you!
 *  Plugin Author [Hesham Zebida](https://wordpress.org/support/users/hishaman/)
 * (@hishaman)
 * [9 years, 6 months ago](https://wordpress.org/support/topic/wordpress-database-error-unknown-column-caused-by-schema-plugin/#post-8470617)
 * Great, thanks for letting me know!
 * I appreciate if you [send your feedback](https://wordpress.org/support/plugin/schema/reviews/)
   🙂

Viewing 6 replies - 1 through 6 (of 6 total)

The topic ‘WordPress database error Unknown column caused by Schema plugin’ is closed
to new replies.

 * ![](https://ps.w.org/schema/assets/icon-256x256.png?rev=1750173)
 * [Schema](https://wordpress.org/plugins/schema/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/schema/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/schema/)
 * [Active Topics](https://wordpress.org/support/plugin/schema/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/schema/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/schema/reviews/)

 * 6 replies
 * 2 participants
 * Last reply from: [Hesham Zebida](https://wordpress.org/support/users/hishaman/)
 * Last activity: [9 years, 6 months ago](https://wordpress.org/support/topic/wordpress-database-error-unknown-column-caused-by-schema-plugin/#post-8470617)
 * Status: resolved