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Hello i was normal developing my site and became this error Fatal error: Uncaught Error: Call to undefined function bp_get_member_type_tax_name()

Fatal error: Uncaught Error: Call to undefined function bp_get_member_type_tax_name() in /var/www/vhosts/planetnerd.de/xyz.planetnerd.de/wp-content/plugins/buddypress/bp-core/bp-core-taxonomy.php:27 Stack trace: #0 /var/www/vhosts/planetnerd.de/xyz.planetnerd.de/wp-content/plugins/buddypress/bp-core/bp-core-taxonomy.php(56): bp_get_default_taxonomies() #1 /var/www/vhosts/planetnerd.de/xyz.planetnerd.de/wp-includes/class-wp-hook.php(307): bp_register_default_taxonomies() #2 /var/www/vhosts/planetnerd.de/xyz.planetnerd.de/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters() #3 /var/www/vhosts/planetnerd.de/xyz.planetnerd.de/wp-includes/plugin.php(474): WP_Hook->do_action() #4 /var/www/vhosts/planetnerd.de/xyz.planetnerd.de/wp-content/plugins/buddypress/bp-core/bp-core-dependency.php(95): do_action() #5 /var/www/vhosts/planetnerd.de/xyz.planetnerd.de/wp-includes/class-wp-hook.php(307): bp_register_taxonomies() #6 /var/www/vhosts/planetnerd.de/xyz.planetnerd.de/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filter in /var/www/vhosts/planetnerd.de/xyz.planetnerd.de/wp-content/plugins/buddypress/bp-core/bp-core-taxonomy.php on line 27

The site is Thank u in advance!