Title: Error when activitng plugin
Last modified: July 10, 2023

---

# Error when activitng plugin

 *  [dnbvinyl](https://wordpress.org/support/users/dnbvinyl/)
 * (@dnbvinyl)
 * [2 years, 10 months ago](https://wordpress.org/support/topic/error-when-activitng-plugin/)
 * I am currently receiving the following error when attempting to activate the 
   plugin. any help on what might be causing this would be appreciated
 * **Fatal error**: Uncaught TypeError: property_exists(): Argument #1 ($object_or_class)
   must be of type object|string, null given in /var/www/vhosts/****/httpdocs/wp-
   content/plugins/ups-eu-woocommerce/src/libsystems/api_ups/ups-eu-woo-call-api-
   ups-global.php:95 Stack trace: #0 /var/www/vhosts/****/httpdocs/wp-content/plugins/
   ups-eu-woocommerce/src/libsystems/api_ups/ups-eu-woo-call-api-ups-global.php(
   95): property_exists() #1 /var/www/vhosts/****k/httpdocs/wp-content/plugins/ups-
   eu-woocommerce/src/libsystems/api_ups/ups-eu-woo-call-api-manage.php(148): UpsEuWoocommerce\
   libsystems\api_ups\Ups_Eu_Woo_Global_Api_Ups->ups_eu_woo_after_log_api_manage()#
   2 /var/www/vhosts/****/httpdocs/wp-content/plugins/ups-eu-woocommerce/src/libsystems/
   api_ups/ups-eu-woo-call-api-manage.php(65): UpsEuWoocommerce\libsystems\api_ups\
   Ups_Eu_Woo_Manage_Api_Ups->ups_eu_woo_call_api_registered_plugin_token() #3 /
   var/www/vhosts/****/httpdocs/wp-content/plugins/ups-eu-woocommerce/src/libsystems/
   api_ups/ups-eu-woo-call-api-manage.php(1032): UpsEuWoocommerce\libsystems\api_ups\
   Ups_Eu_Woo_Manage_Api_Ups->ups_eu_woo_get_new_registered_plugin_token() #4 /var/
   www/vhosts/****/httpdocs/wp-content/plugins/ups-eu-woocommerce/src/models/ups-
   eu-woo-model-retry-api.php(451): UpsEuWoocommerce\libsystems\api_ups\Ups_Eu_Woo_Manage_Api_Ups-
   >ups_eu_woo_upgrade_version() #5 [internal function]: UpsEuWoocommerce\models\
   Ups_Eu_Woo_Model_Retry_Api->ups_eu_woo_upgrade_version() #6 /var/www/vhosts/****/
   httpdocs/wp-content/plugins/ups-eu-woocommerce/src/utils/ups-eu-woo-utils-resource-
   systems.php(496): call_user_func_array() #7 /var/www/vhosts/****/httpdocs/wp-
   content/plugins/ups-eu-woocommerce/src/utils/ups-eu-woo-utils-activator.php(29):
   UpsEuWoocommerce\utils\Ups_Eu_Woo_Utils_Resource_Systems->ups_eu_woo_sys_activate()#
   8 /var/www/vhosts/****/httpdocs/wp-content/plugins/ups-eu-woocommerce/ups-eu-
   woocommerce.php(50): UpsEuWoocommerce\utils\Ups_Eu_Woo_Utils_Activator::ups_eu_woo_activate()#
   9 /var/www/vhosts/****/httpdocs/wp-includes/class-wp-hook.php(308): UpsEuWoocommerce\
   activate_plugin_name() #10 /var/www/vhosts/****/httpdocs/wp-includes/class-wp-
   hook.php(332): WP_Hook->apply_filters() #11 /var/www/vhosts/****/httpdocs/wp-
   includes/plugin.php(517): WP_Hook->do_action() #12 /var/www/vhosts/****/httpdocs/
   wp-admin/plugins.php(194): do_action() #13 {main} thrown in **/var/www/vhosts/\*\*\*\*/
   httpdocs/wp-content/plugins/ups-eu-woocommerce/src/libsystems/api_ups/ups-eu-
   woo-call-api-ups-global.php** on line **95**

Viewing 1 replies (of 1 total)

 *  [turnkeymaker](https://wordpress.org/support/users/turnkeymaker/)
 * (@turnkeymaker)
 * [2 years, 8 months ago](https://wordpress.org/support/topic/error-when-activitng-plugin/#post-17067193)
 * I’m also getting the above error message when i click the complete button at 
   the end of the configuration process in the admin

Viewing 1 replies (of 1 total)

The topic ‘Error when activitng plugin’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/ups-eu-woocommerce_beb4ad.svg)
 * [UPS Shipping and UPS Access Point™: Official Plugin](https://wordpress.org/plugins/ups-eu-woocommerce/)
 * [Support Threads](https://wordpress.org/support/plugin/ups-eu-woocommerce/)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/ups-eu-woocommerce/unresolved/)
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## Tags

 * [UPS plugin](https://wordpress.org/support/topic-tag/ups-plugin/)
 * [UPS shipping](https://wordpress.org/support/topic-tag/ups-shipping/)

 * 1 reply
 * 2 participants
 * Last reply from: [turnkeymaker](https://wordpress.org/support/users/turnkeymaker/)
 * Last activity: [2 years, 8 months ago](https://wordpress.org/support/topic/error-when-activitng-plugin/#post-17067193)
 * Status: not resolved