Title: The word UNION causing HTTP response code 406 ()
Last modified: May 5, 2025

---

# The word UNION causing HTTP response code 406 ()

 *  Resolved [wx5nco](https://wordpress.org/support/users/wx5nco/)
 * (@wx5nco)
 * [1 year, 1 month ago](https://wordpress.org/support/topic/the-word-union-causing-http-response-code-406/)
 * The word “Union” is causing an “Attention: Unfortunately, an error occurred. 
   There was a problem with the server, HTTP response code 406 ().” error. I can
   spell it (Union and it will save.
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fthe-word-union-causing-http-response-code-406%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Author [Tobias Bäthge](https://wordpress.org/support/users/tobiasbg/)
 * (@tobiasbg)
 * [1 year, 1 month ago](https://wordpress.org/support/topic/the-word-union-causing-http-response-code-406/#post-18450875)
 * Hi!
 * Thanks for your post and sorry for the trouble!
 * This indicates that your server’s security software or firewall is configured
   too strictly.
 * `UNION` is a common term in SQL database queries, and for protection against 
   SQL injections, some servers have very strict checks in place regarding the accepted
   content. In this case, it’s is simply too strict and a false positive is triggered.
   To solve this, you will need to ask the server admin or the hosting company’s
   support team to relax the configuration, probably of a tool like “mod_security”,
   as there is nothing that I can do about this in TablePress.
 * Best wishes,
   Tobias

Viewing 1 replies (of 1 total)

The topic ‘The word UNION causing HTTP response code 406 ()’ is closed to new replies.

 * ![](https://ps.w.org/tablepress/assets/icon.svg?rev=3192944)
 * [TablePress - Tables in WordPress made easy](https://wordpress.org/plugins/tablepress/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/tablepress/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/tablepress/)
 * [Active Topics](https://wordpress.org/support/plugin/tablepress/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/tablepress/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/tablepress/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Tobias Bäthge](https://wordpress.org/support/users/tobiasbg/)
 * Last activity: [1 year, 1 month ago](https://wordpress.org/support/topic/the-word-union-causing-http-response-code-406/#post-18450875)
 * Status: resolved