Title: Subscription feature throwing critical issues
Last modified: December 27, 2023

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# Subscription feature throwing critical issues

 *  Resolved [jgramp](https://wordpress.org/support/users/jgramp/)
 * (@jgramp)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/subscription-feature-throwing-critical-issues/)
 * Hi there,
 * We are testing the subscription feature of Booster with a product that has variable
   contributions for crowdfunding and we get a critical error when we enable subscriptions
   for each product in the subscription settings:
 * 
   PHP Fatal error: Uncaught Error: Call to undefined function wcs_get_subscription_ranges()
   in /nas/content/live/moodlefunddev/wp-content/plugins/booster-elite-for-woocommerce/
   includes/settings/meta-box/wcj-settings-meta-box-subscription-addon.php:104#012Stack
   trace:#012#0 /nas/content/live/moodlefunddev/wp-content/plugins/booster-elite-
   for-woocommerce/includes/class-wcj-subscription-customization.php(790): require()#
   012#1 /nas/content/live/moodlefunddev/wp-content/plugins/booster-elite-for-woocommerce/
   includes/class-wcj-subscription-customization.php(802): WCJ_Subscription_Customization-
   >get_meta_box_options_wcj_wcsc_addon()#012#2 /nas/content/live/moodlefunddev/
   wp-admin/includes/template.php(1456): WCJ_Subscription_Customization->create_meta_box_wcj_wcsc_addon(
   Object(WP_Post), Array)#012#3 /nas/content/live/moodlefunddev/wp-admin/edit-form-
   advanced.php(714): do_meta_boxes(Object(WP_Screen), ‘normal’, Object(WP_Post))#
   012#4 /nas/content/live/moodlefunddev/wp-admin/post.php(206): require(‘/nas/content/
   li…’)#012#5 {main}#012 thrown in /nas/content/live/moodlefunddev/wp-content/plugins/
   booster-elite-for-woocommerce/includes/settings/meta-box/wcj-settings-meta-box-
   subscription-addon.php on line 104

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

 *  Plugin Contributor [David G](https://wordpress.org/support/users/gravid7/)
 * (@gravid7)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/subscription-feature-throwing-critical-issues/#post-17311830)
 * Hi [@jgramp](https://wordpress.org/support/users/jgramp/),
 * Have you installed & activated the [WooCommerce Subscriptions](https://woocommerce.com/products/woocommerce-subscriptions/)
   plugin? Please install & activate [WooCommerce Subscriptions ](https://woocommerce.com/products/woocommerce-subscriptions/)
   to use the booster Subscription Customization Plugin.
    Booster Subscription Customization
   Plugin customize WooCommerce Subscriptions! and give customers more control of
   their subscriptions, so it’s required to install & activate the WooCommerce Subscriptions
   plugin.
 *  Plugin Contributor [David G](https://wordpress.org/support/users/gravid7/)
 * (@gravid7)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/subscription-feature-throwing-critical-issues/#post-17322182)
 * Hi [@jgramp](https://wordpress.org/support/users/jgramp/),
 * I haven’t heard back from you, so I believe the issue has been resolved.
   I’m 
   marking this topic complete, please feel free to open a new thread for any further
   queries.
 *  Thread Starter [jgramp](https://wordpress.org/support/users/jgramp/)
 * (@jgramp)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/subscription-feature-throwing-critical-issues/#post-17324642)
 * yes, that fixed it. Thank you. It wasn’t clear from the error message that we
   needed to buy and install a plugin to get this to work. But now we have done 
   this it works fine.
 * Thanks.

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

The topic ‘Subscription feature throwing critical issues’ is closed to new replies.

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## Tags

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

 * 3 replies
 * 2 participants
 * Last reply from: [jgramp](https://wordpress.org/support/users/jgramp/)
 * Last activity: [2 years, 7 months ago](https://wordpress.org/support/topic/subscription-feature-throwing-critical-issues/#post-17324642)
 * Status: resolved