Title: Error: Call to undefined function is_plugin_active()
Last modified: August 8, 2023

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# Error: Call to undefined function is_plugin_active()

 *  [Johnkim1](https://wordpress.org/support/users/yogoho210/)
 * (@yogoho210)
 * [2 years, 9 months ago](https://wordpress.org/support/topic/error-call-to-undefined-function-is_plugin_active-2/)
 * Hi, I’m using Mobile Assistant Connector and and this error email is sent everyday
   after updating to version 2.2.4.
 * /www/wp-content/plugins/mobile-assistant-connector/mobassistantconnector.php 
   
   Uncaught Error: Call to undefined function is_plugin_active() in /www/wp-content/
   plugins/mobile-assistant-connector/mobassistantconnector.php:49
 * Sometimes this message is also sent when I access the site with older version
   of Mobile Assistant android app.

Viewing 1 replies (of 1 total)

 *  Plugin Author [eMagicOne](https://wordpress.org/support/users/emagicone/)
 * (@emagicone)
 * [2 years, 9 months ago](https://wordpress.org/support/topic/error-call-to-undefined-function-is_plugin_active-2/#post-16956687)
 * Hi,
 * Thank you for letting us know, we’re going to fix this inconvenience in the next
   plugin release.
 * Regards.

Viewing 1 replies (of 1 total)

The topic ‘Error: Call to undefined function is_plugin_active()’ is closed to new
replies.

 * ![](https://s.w.org/plugins/geopattern-icon/mobile-assistant-connector_5c1c89.
   svg)
 * [Mobile Assistant Connector](https://wordpress.org/plugins/mobile-assistant-connector/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/mobile-assistant-connector/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/mobile-assistant-connector/)
 * [Active Topics](https://wordpress.org/support/plugin/mobile-assistant-connector/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/mobile-assistant-connector/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/mobile-assistant-connector/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [eMagicOne](https://wordpress.org/support/users/emagicone/)
 * Last activity: [2 years, 9 months ago](https://wordpress.org/support/topic/error-call-to-undefined-function-is_plugin_active-2/#post-16956687)
 * Status: not resolved