Fatal error: Uncaught Error: Class 'WP_Roles' not found in /home/ghaffari/public_html/wp-content/plugins/woocommerce-tm-extra-product-options/include/functions/tc-epo-functions.php:283 Stack trace: #0 /home/ghaffari/public_html/wp-content/plugins/woocommerce-tm-extra-product-options/include/classes/class-tm-epo-settings-base.php(104): tc_get_roles() #1 /home/ghaffari/public_html/wp-content/plugins/woocommerce-tm-extra-product-options/include/classes/class-tm-epo-settings-base.php(31): TM_EPO_SETTINGS_base->_get_setting_general('general', 'General') #2 /home/ghaffari/public_html/wp-content/plugins/woocommerce-tm-extra-product-options/include/classes/class-tm-epo-settings-base.php(60): TM_EPO_SETTINGS_base->get_setting_array('general', 'General') #3 /home/ghaffari/public_html/wp-content/plugins/woocommerce-tm-extra-product-options/include/class-tm-extra-product-options.php(181): TM_EPO_SETTINGS_base->plugin_settings() #4 /home/ghaffari/public_html/wp-includes/class-wp-hook.php(286): TM_Extra_Product_Options->plugin_loaded(' in /home/ghaffari/public_html/wp-content/plugins/woocommerce-tm-extra-product-options/include/functions/tc-epo-functions.php on line 283