Title: The language code must be unique
Last modified: August 22, 2016

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# The language code must be unique

 *  [tis86](https://wordpress.org/support/users/tis86/)
 * (@tis86)
 * [11 years, 4 months ago](https://wordpress.org/support/topic/the-language-code-must-be-unique/)
 * I edit language code from “uk” to “ua”. But, when i want return “uk” in language
   code there nothing happen and popup message “The language code must be unique”.
   Why i cant return back “uk”? What i need to do for that?
 * Sorry for bad English.
 * [https://wordpress.org/plugins/polylang/](https://wordpress.org/plugins/polylang/)

Viewing 1 replies (of 1 total)

 *  Plugin Author [Chouby](https://wordpress.org/support/users/chouby/)
 * (@chouby)
 * [11 years, 4 months ago](https://wordpress.org/support/topic/the-language-code-must-be-unique/#post-5595748)
 * Hi!
 * It means that you already use this code somewhere. Either in a language or in
   a category, post tag, nav menu or any custom taxonomy.

Viewing 1 replies (of 1 total)

The topic ‘The language code must be unique’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Chouby](https://wordpress.org/support/users/chouby/)
 * Last activity: [11 years, 4 months ago](https://wordpress.org/support/topic/the-language-code-must-be-unique/#post-5595748)
 * Status: not resolved