Title: Debug error
Last modified: August 28, 2017

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# Debug error

 *  Resolved [zamson](https://wordpress.org/support/users/zamson/)
 * (@zamson)
 * [8 years, 9 months ago](https://wordpress.org/support/topic/debug-error-26/)
 * Getting this error
 * `Warning: Parameter 2 to Groups_Restrict_Categories::posts_where() expected to
   be a reference, value given in /x/wp/wp-includes/class-wp-hook.php on line 298`
 * Any ideas?
 * Edit: sorry realised this was a premium add-on and probably not updated in a 
   while.
    -  This topic was modified 8 years, 9 months ago by [zamson](https://wordpress.org/support/users/zamson/).

Viewing 1 replies (of 1 total)

 *  Plugin Author [Kento](https://wordpress.org/support/users/proaktion/)
 * (@proaktion)
 * [8 years, 9 months ago](https://wordpress.org/support/topic/debug-error-26/#post-9452039)
 * Hi there,
 * This was fixed in the latest version 2.1.0, please update the extension.
 * Cheers

Viewing 1 replies (of 1 total)

The topic ‘Debug error’ is closed to new replies.

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## Tags

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 * 1 reply
 * 2 participants
 * Last reply from: [Kento](https://wordpress.org/support/users/proaktion/)
 * Last activity: [8 years, 9 months ago](https://wordpress.org/support/topic/debug-error-26/#post-9452039)
 * Status: resolved