Title: Fatal error: Call to undefined function
Last modified: August 31, 2016

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# Fatal error: Call to undefined function

 *  Resolved [nossfloda](https://wordpress.org/support/users/nossfloda/)
 * (@nossfloda)
 * [10 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-call-to-undefined-function-81/)
 * Hi Adi
 * When activating a new Multisite with LOTS of plugins on DesktopServer.
 * ( ! ) Fatal error: Call to undefined function siteorigin_widgets_deactivate_legacy_plugins()
   in D:\work\WP-dev\DesktopServer\wp-dev.se.dev\wp-content\plugins\widgets-for-
   siteorigin\widgets-for-siteorigin.php on line 78
    Call Stack # Time Memory Function
   Location 1 0.0090 216648 {main}( ) ..\index.php:0 2 0.0100 260280 require_once(‘
   D:\work\WP-dev\DesktopServer\wp-dev.se.dev\wp-admin\admin.php’ ) ..\index.php:
   10 3 0.7350 27795296 do_action( ) ..\admin.php:168 4 0.8180 28190784 call_user_func_array:{
   D:\work\WP-dev\DesktopServer\wp-dev.se.dev\wp-includes\plugin.php:525} ( ) ..\
   plugin.php:525 5 0.8180 28190872 wpinked_so_plugin_version_check( ) ..\plugin.
   php:525
 * [https://wordpress.org/plugins/widgets-for-siteorigin/](https://wordpress.org/plugins/widgets-for-siteorigin/)

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Author [Adi Rao](https://wordpress.org/support/users/iamadi/)
 * (@iamadi)
 * [10 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-call-to-undefined-function-81/#post-7034666)
 * Hi Kristian,
 * I will look into it and fix it today.
 *  Plugin Author [Adi Rao](https://wordpress.org/support/users/iamadi/)
 * (@iamadi)
 * [10 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-call-to-undefined-function-81/#post-7034669)
 * I have updated the plugin and fixed the bug.
 * Thanks for pointing it out. Really helpful.
 * Cheers.
 *  Thread Starter [nossfloda](https://wordpress.org/support/users/nossfloda/)
 * (@nossfloda)
 * [10 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-call-to-undefined-function-81/#post-7034670)
 * Sure, any time! And thanks for your quick response, once again.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Fatal error: Call to undefined function’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/widgets-for-siteorigin_4cb6f8.svg)
 * [Widgets for SiteOrigin](https://wordpress.org/plugins/widgets-for-siteorigin/)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/widgets-for-siteorigin/unresolved/)
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 * 3 replies
 * 2 participants
 * Last reply from: [nossfloda](https://wordpress.org/support/users/nossfloda/)
 * Last activity: [10 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-call-to-undefined-function-81/#post-7034670)
 * Status: resolved