Title: Topic Tag: member function | WordPress.org --- # Topic Tag: member function - Topic - Participants - Replies - Last Post * - [[PDF Invoices & Packing Slips for WooCommerce] Error 200 and Fatal error: Call to a member function get_header_logo_id() on nul](https://wordpress.org/support/topic/error-200-and-fatal-error-call-to-a-member-function-get_header_logo_id-on-nul/) - Started by: [evilforces](https://wordpress.org/support/users/evilforces/) - 3 - 2 - [2 years, 7 months ago](https://wordpress.org/support/topic/error-200-and-fatal-error-call-to-a-member-function-get_header_logo_id-on-nul/#post-17161646) - [Yordan Soares](https://wordpress.org/support/users/yordansoares/) * - [[Booster for WooCommerce – PDF Invoices, Abandoned Cart, Variation Swatches & 100+ Tools] Call to a member function managing_stock()](https://wordpress.org/support/topic/call-to-a-member-function-managing_stock/) - Started by: [Ozan Ozdincer](https://wordpress.org/support/users/ozzychigurh/) - 2 - 2 - [3 years, 4 months ago](https://wordpress.org/support/topic/call-to-a-member-function-managing_stock/#post-16344878) - [David G](https://wordpress.org/support/users/gravid7/) * - [[ShopLentor – All-in-One WooCommerce Growth & Store Enhancement Plugin] E_Error by Woolentor Pro](https://wordpress.org/support/topic/e_error-by-woolentor-pro/) - Started by: [jascha22](https://wordpress.org/support/users/jascha22/) - 2 - 3 - [5 years, 2 months ago](https://wordpress.org/support/topic/e_error-by-woolentor-pro/#post-14132827) - [Tarek Aziz](https://wordpress.org/support/users/tarekht/) * - [[Conversios: Google Analytics (GA4), Google Ads, Conversion and Analytics Tracking for Multi-Channels] everything except purchases is recorded](https://wordpress.org/support/topic/everything-except-purchases-is-recorded/) - Started by: [Lois](https://wordpress.org/support/users/loiscr/) - 2 - 2 - [5 years, 5 months ago](https://wordpress.org/support/topic/everything-except-purchases-is-recorded/#post-13769136) - [Conversios](https://wordpress.org/support/users/tatvic/) * - [[IdeaPush] PHP error disables backend/dashboard](https://wordpress.org/support/topic/php-error-disables-backend-dashboard/) - Started by: [anvilhouse](https://wordpress.org/support/users/anvilhouse/) - 1 - 7 - [6 years, 6 months ago](https://wordpress.org/support/topic/php-error-disables-backend-dashboard/#post-12124532) - [Northern Beaches Websites](https://wordpress.org/support/users/northernbeacheswebsites/) * - [[WooCommerce] Backend Fatal Error](https://wordpress.org/support/topic/backend-fatal-error/) - Started by: [lelebart](https://wordpress.org/support/users/lelebart/) - 2 - 1 - [8 years, 9 months ago](https://wordpress.org/support/topic/backend-fatal-error/#post-9430073) - [kursora](https://wordpress.org/support/users/kursora/) * - [[Abandoned Cart Reports For WooCommerce] PHP Fatal Error: Call to member function add() on null](https://wordpress.org/support/topic/php-fatal-error-call-to-member-function-add-on-null/) - Started by: [bdoga](https://wordpress.org/support/users/bdoga/) - 2 - 5 - [9 years ago](https://wordpress.org/support/topic/php-fatal-error-call-to-member-function-add-on-null/#post-9155653) - [bdoga](https://wordpress.org/support/users/bdoga/) * - [[WooCommerce] Call to a member function is_type() class-wc-order.php on line 1305](https://wordpress.org/support/topic/call-to-a-member-function-is_type-class-wc-order-php-on-line-1305/) - Started by: [megbaatz92](https://wordpress.org/support/users/megbaatz92/) - 4 - 8 - [8 years, 11 months ago](https://wordpress.org/support/topic/call-to-a-member-function-is_type-class-wc-order-php-on-line-1305/#post-9242129) - [DodgeThat](https://wordpress.org/support/users/dodgehat/) * - [[Plugin Check] Message: Uncaught Error: Call to a member function __get() on null](https://wordpress.org/support/topic/message-uncaught-error-call-to-a-member-function-__get-on-null/) - Started by: [Rupak Dhiman](https://wordpress.org/support/users/rupakdhiman/) - 1 - 0 - [9 years, 6 months ago](https://wordpress.org/support/topic/message-uncaught-error-call-to-a-member-function-__get-on-null/) - [Rupak Dhiman](https://wordpress.org/support/users/rupakdhiman/) * - [[Post Views Counter] Fatal error: Call to a member function is_user_roles_excluded()](https://wordpress.org/support/topic/fatal-error-call-to-a-member-function-is_user_roles_excluded/) - Started by: [jbdurham](https://wordpress.org/support/users/jbdurham/) - 3 - 3 - [10 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-call-to-a-member-function-is_user_roles_excluded/#post-6913400) - [dFactory](https://wordpress.org/support/users/dfactory/) * - [[Events Manager - Calendar, Bookings, Tickets, and more!] after last update. Fatal error output_single(). single-event.php](https://wordpress.org/support/topic/after-last-update-fatal-error-output_single-single-eventphp/) - Started by: [Mirek_PL](https://wordpress.org/support/users/mirek_pl/) - 3 - 4 - [10 years, 9 months ago](https://wordpress.org/support/topic/after-last-update-fatal-error-output_single-single-eventphp/#post-6425411) - [Mirek_PL](https://wordpress.org/support/users/mirek_pl/) * - [Call to a member function have_posts() on = Taxonomy archive attachments](https://wordpress.org/support/topic/call-to-a-member-function-have_posts-on-taxonomy-archive-attachments/) - Started by: [BibiDeCarli](https://wordpress.org/support/users/bibidecarli/) - 1 - 0 - [12 years, 1 month ago](https://wordpress.org/support/topic/call-to-a-member-function-have_posts-on-taxonomy-archive-attachments/) - [BibiDeCarli](https://wordpress.org/support/users/bibidecarli/) * - [Page won't load based on query problem- help!](https://wordpress.org/support/topic/page-wont-load-based-on-query-problem-help/) - Started by: [Esther](https://wordpress.org/support/users/esther-moudy-gummere/) - 1 - 0 - [12 years, 2 months ago](https://wordpress.org/support/topic/page-wont-load-based-on-query-problem-help/) - [Esther](https://wordpress.org/support/users/esther-moudy-gummere/) * - [[MonsterInsights - Google Analytics Dashboard for WordPress (Website Stats Made Easy)] [Plugin: Google Analytics for WordPress] Fatal error: Call to a member function set_defaults() on a](https://wordpress.org/support/topic/plugin-google-analytics-for-wordpress-fatal-error-call-to-a-member-function-set_defaults-on-a-non-object/) - Started by: [subnero2001](https://wordpress.org/support/users/subnero2001/) - 4 - 3 - [13 years, 8 months ago](https://wordpress.org/support/topic/plugin-google-analytics-for-wordpress-fatal-error-call-to-a-member-function-set_defaults-on-a-non-object/#post-2533933) - [mgrmn](https://wordpress.org/support/users/mgrmn/) * - [Fatal error: Call to a member function is…](https://wordpress.org/support/topic/fatal-error-call-to-a-member-function-is/) - Started by: [SarahSchutzki](https://wordpress.org/support/users/sarahschutzki/) - 2 - 2 - [14 years, 8 months ago](https://wordpress.org/support/topic/fatal-error-call-to-a-member-function-is/#post-2284029) - [SarahSchutzki](https://wordpress.org/support/users/sarahschutzki/) * - [Use add_theme_page() func. in a class member function](https://wordpress.org/support/topic/use-add_theme_page-func-in-a-class-member-function/) - Started by: [oldalmuhely_team](https://wordpress.org/support/users/oldalmuhely_team/) - 3 - 14 - [14 years, 11 months ago](https://wordpress.org/support/topic/use-add_theme_page-func-in-a-class-member-function/#post-2150595) - [keesiemeijer](https://wordpress.org/support/users/keesiemeijer/) * - [Upgraded to 3.0, instant Fatal error: Call to a member function add_rewrite_tag](https://wordpress.org/support/topic/upgraded-to-30-instant-fatal-error-call-to-a-member-function-add_rewrite_tag/) - Started by: [man_vs_himselfhotmailcom](https://wordpress.org/support/users/man_vs_himselfhotmailcom/) - 2 - 1 - [15 years, 11 months ago](https://wordpress.org/support/topic/upgraded-to-30-instant-fatal-error-call-to-a-member-function-add_rewrite_tag/#post-1567067) - [James Huff](https://wordpress.org/support/users/macmanx/) * - [Fatal error: Call to a member function on a non-object](https://wordpress.org/support/topic/fatal-error-call-to-a-member-function-on-a-non-object-2-2/) - Started by: [dropnby](https://wordpress.org/support/users/dropnby/) - 1 - 0 - [18 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-call-to-a-member-function-on-a-non-object-2-2/) - [dropnby](https://wordpress.org/support/users/dropnby/) * - [Error on POST request method](https://wordpress.org/support/topic/error-on-post-request-method/) - Started by: [Amelie](https://wordpress.org/support/users/amelie/) - 1 - 2 - [19 years, 2 months ago](https://wordpress.org/support/topic/error-on-post-request-method/#post-535744) - [Amelie](https://wordpress.org/support/users/amelie/) *   ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics ## Feeds * [RSS Recent Posts](https://wordpress.org/support/forums/feed/) * [RSS Recent Topics](https://wordpress.org/support/topics/feed/)