[24-Sep-2023 08:52:13 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function bbp_show_extra_fields() in /srv/htdocs/wp-content/themes/manual-child/bbpress/loop-single-topic.php:15

Stack trace:
#0 /wordpress/core/6.3.1/wp-includes/template.php(787): require()
#1 /srv/htdocs/wp-content/plugins/bbpress/includes/core/template-functions.php(103): load_template('/srv/htdocs/wp-...', false)
#2 /srv/htdocs/wp-content/plugins/bbpress/includes/core/template-functions.php(41): bbp_locate_template(Array, true, false)
#3 /srv/htdocs/wp-content/themes/manual-child/bbpress/loop-topics.php(20): bbp_get_template_part('loop', 'single-topic')
#4 /wordpress/core/6.3.1/wp-includes/template.php(787): require('/srv/htdocs/wp-...')
#5 /srv/htdocs/wp-content/plugins/bbpress/includes/core/template-functions.php(103): load_template('/srv/htdocs/wp-...', false)
#6 /srv/htdocs/wp-content/plugins/bbpress/includes/core/template-functions.php(41): bbp_locate_template(Array, true, false)
#7 /srv/htdocs/wp-content/themes/manual/bbpress/content-archive-topic.php(20): bbp_get_template_part('loop', 'topics')
#8 /wordpress/core/6.3.1/wp-includes/template.php(787): require('/srv/htdocs/wp-...')
#9 /srv/htdocs/wp-content/plugins/bbpress/includes/core/template-functions.php(103): load_template('/srv/htdocs/wp-...', false)
#10 /srv/htdocs/wp-content/plugins/bbpress/includes/core/template-functions.php(41): bbp_locate_template(Array, true, false)
#11 /srv/htdocs/wp-content/plugins/bbpress/includes/common/shortcodes.php(286): bbp_get_template_part('content', 'archive-topic')
#12 /wordpress/core/6.3.1/wp-includes/shortcodes.php(395): BBP_Shortcodes->display_topic_index('', '', 'bbp-topic-index')
#13 [internal function]: do_shortcode_tag(Array)
#14 /wordpress/core/6.3.1/wp-includes/shortcodes.php(235): preg_replace_callback('/\\[(\\[?)(bbp\\-t...', 'do_shortcode_ta...', '[bbp-topic-inde...')
#15 /srv/htdocs/wp-content/plugins/elementor/includes/widgets/shortcode.php(130): do_shortcode('[bbp-topic-inde...')
#16 /srv/htdocs/wp-content/plugins/elementor/includes/base/controls-stack.php(2265): Elementor\Widget_Shortcode->render()
#17 /srv/htdocs/wp-content/plugins/elementor/includes/base/widget-base.php(609): Elementor\Controls_Stack->render_by_mode()
#18 /srv/htdocs/wp-content/plugins/elementor/includes/base/widget-base.php(750): Elementor\Widget_Base->render_content()
#19 /srv/htdocs/wp-content/plugins/elementor/includes/base/element-base.php(464): Elementor\Widget_Base->print_content()
#20 /srv/htdocs/wp-content/plugins/elementor/includes/base/element-base.php(1375): Elementor\Element_Base->print_element()
#21 /srv/htdocs/wp-content/plugins/elementor/includes/base/element-base.php(464): Elementor\Element_Base->print_content()
#22 /srv/htdocs/wp-content/plugins/elementor/includes/base/element-base.php(1375): Elementor\Element_Base->print_element()
#23 /srv/htdocs/wp-content/plugins/elementor/includes/base/element-base.php(464): Elementor\Element_Base->print_content()
#24 /srv/htdocs/wp-content/plugins/elementor/core/base/document.php(1739): Elementor\Element_Base->print_element()
#25 /srv/htdocs/wp-content/plugins/elementor/core/base/document.php(1134): Elementor\Core\Base\Document->print_elements(Array)
#26 /srv/htdocs/wp-content/plugins/elementor/includes/frontend.php(1179): Elementor\Core\Base\Document->print_elements_with_wrapper(Array)
#27 /srv/htdocs/wp-content/plugins/elementor/includes/frontend.php(1074): Elementor\Frontend->get_builder_content(5055)
#28 /wordpress/core/6.3.1/wp-includes/class-wp-hook.php(310): Elementor\Frontend->apply_builder_in_content('<h2>Be future r...')
#29 /wordpress/core/6.3.1/wp-includes/plugin.php(205): WP_Hook->apply_filters('<h2>Be future r...', Array)
#30 /wordpress/core/6.3.1/wp-includes/post-template.php(256): apply_filters('the_content', '<h2>Be future r...')
#31 /srv/htdocs/wp-content/themes/manual/template/content-page.php(11): the_content()
#32 /wordpress/core/6.3.1/wp-includes/template.php(787): require('/srv/htdocs/wp-...')
#33 /wordpress/core/6.3.1/wp-includes/template.php(720): load_template('/srv/htdocs/wp-...', false, Array)
#34 /wordpress/core/6.3.1/wp-includes/general-template.php(206): locate_template(Array, true, false, Array)
#35 /srv/htdocs/wp-content/themes/manual-child/page.php(21): get_template_part('template/conten...', 'page')
#36 /wordpress/core/6.3.1/wp-includes/template-loader.php(106): include('/srv/htdocs/wp-...')
#37 /wordpress/core/6.3.1/wp-blog-header.php(19): require_once('/wordpress/core...')
#38 /wordpress/core/6.3.1/index.php(17): require('/wordpress/core...')
#39 {main}
  thrown in /srv/htdocs/wp-content/themes/manual-child/bbpress/loop-single-topic.php on line 15