Title: Call to undefined function is_plugin_active()
Last modified: May 1, 2019

---

# Call to undefined function is_plugin_active()

 *  Resolved [Atakan Au](https://wordpress.org/support/users/atakanau/)
 * (@atakanau)
 * [7 years, 1 month ago](https://wordpress.org/support/topic/call-to-undefined-function-is_plugin_active-5/)
 * I updated plugin and it is not working.
 * **Fatal error**: Uncaught Error: Call to undefined function is_plugin_active()
   in htdocs/wp-content/plugins/featured-image-from-url/includes/attachment.php:
   116
    Stack trace: #0 htdocs/wp-includes/class-wp-hook.php(286): fifu_filter_wp_get_attachment_metadata(
   Array, 14879) #1 htdocs/wp-includes/plugin.php(208): WP_Hook->apply_filters(Array,
   Array) #2 htdocs/wp-includes/post.php(5555): apply_filters(‘wp_get_attachme…’,
   Array, 14879) #3 htdocs/wp-includes/media.php(203): wp_get_attachment_metadata(
   14879) #4 htdocs/wp-includes/media.php(825): image_downsize(‘14879’, ‘woocommerce_sin…’)#
   5 htdocs/wp-content/plugins/woocommerce/includes/wc-product-functions.php(269):
   wp_get_attachment_image_src(‘14879’, ‘woocommerce_sin…’) #6 /home/vol2_5 in **
   htdocs/wp-content/plugins/featured-image-from-url/includes/attachment.php** on
   line **116**
 * WordPress : 5.1.1
 * Theme: Trusted 1.5.8 [https://uxlthemes.com](https://uxlthemes.com)
 * Plugins:
    Advanced Custom Fields (Elliot Condon) – 5.7.12 All-in-One WP Migration(
   ServMask) – 6.77 Featured Image from URL (Marcel Jacques Machado) – 2.4.4 Lazy
   Load Optimizer (Processby) – 1.3.2 WooCommerce (Automattic) – 3.6.2 WP Super 
   Cache (Automattic) – 1.6.4
    -  This topic was modified 7 years, 1 month ago by [Atakan Au](https://wordpress.org/support/users/atakanau/).

Viewing 1 replies (of 1 total)

 *  Plugin Author [fifu.app](https://wordpress.org/support/users/marceljm/)
 * (@marceljm)
 * [7 years, 1 month ago](https://wordpress.org/support/topic/call-to-undefined-function-is_plugin_active-5/#post-11485306)
 * Hi, Atakanau. How are you doing?
 * Fixed. Please update to 2.4.5.

Viewing 1 replies (of 1 total)

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

 * ![](https://ps.w.org/featured-image-from-url/assets/icon-256x256.png?rev=2776609)
 * [Featured Image from URL (FIFU)](https://wordpress.org/plugins/featured-image-from-url/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/featured-image-from-url/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/featured-image-from-url/)
 * [Active Topics](https://wordpress.org/support/plugin/featured-image-from-url/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/featured-image-from-url/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/featured-image-from-url/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [fifu.app](https://wordpress.org/support/users/marceljm/)
 * Last activity: [7 years, 1 month ago](https://wordpress.org/support/topic/call-to-undefined-function-is_plugin_active-5/#post-11485306)
 * Status: resolved