Title: Fatal error in tools.php
Last modified: August 31, 2016

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# Fatal error in tools.php

 *  [Stephan Soderberg](https://wordpress.org/support/users/stesod/)
 * (@stesod)
 * [10 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-in-toolsphp/)
 * Hi,
 * Suddenly from nowhere got this error, but only with Chrome.
    Fatal error: Call
   to undefined function is_plugin_active() in /home/xxxx/public_html/wp-content/
   plugins/shortcodes-ultimate/inc/core/tools.php on line 252
 * What can that be?
 * cheers
 * [https://wordpress.org/plugins/shortcodes-ultimate/](https://wordpress.org/plugins/shortcodes-ultimate/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Thread Starter [Stephan Soderberg](https://wordpress.org/support/users/stesod/)
 * (@stesod)
 * [10 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-in-toolsphp/#post-7268837)
 * Ok I identified a conflict with a plugin called “Modern Team Showcase” I will
   now contact their support to see if they can solve the conflict.
 *  Thread Starter [Stephan Soderberg](https://wordpress.org/support/users/stesod/)
 * (@stesod)
 * [10 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-in-toolsphp/#post-7268842)
 * Hi again, Is there something you can do from your side?
 * Cheers/Stephan

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Fatal error in tools.php’ is closed to new replies.

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## Tags

 * [fatal error](https://wordpress.org/support/topic-tag/fatal-error/)

 * 2 replies
 * 1 participant
 * Last reply from: [Stephan Soderberg](https://wordpress.org/support/users/stesod/)
 * Last activity: [10 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-in-toolsphp/#post-7268842)
 * Status: not resolved