Fatal error: Uncaught Exception: Property has_article has no generator. Expected function generate_has_article. in /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/wordpress-seo/src/presentations/abstract-presentation.php:67
Stack trace:
#0 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/the-events-calendar/src/Events/Integrations/Plugins/WordPress_SEO/Events_Schema.php(101): Yoast\WP\SEO\Presentations\Abstract_Presentation->__get('has_article')
#1 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/wordpress-seo/src/generators/schema-generator.php(128): TEC\Events\Integrations\Plugins\WordPress_SEO\Events_Schema->generate()
#2 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/wordpress-seo/src/generators/schema-generator.php(76): Yoast\WP\SEO\Generators\Schema_Generator->generate_graph(Array, Object(Yoast\WP\SEO\Context\Meta_Tags_Context))
#3 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/wordpress-seo/src/presentations/indexable-presentation.php(738): Yoast\WP\SEO\Generators\Schema_Generator->generate(Object(Yoast\WP\SEO\Context\Meta_Tags_Context))
#4 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/wordpress-seo/src/presentations/abstract-presentation.php(64): Yoast\WP\SEO\Presentations\Indexable_Presentation->generate_schema()
#5 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/wordpress-seo/src/presenters/schema-presenter.php(60): Yoast\WP\SEO\Presentations\Abstract_Presentation->__get('schema')
#6 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/wordpress-seo/src/presenters/schema-presenter.php(44): Yoast\WP\SEO\Presenters\Schema_Presenter->get()
#7 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php(324): Yoast\WP\SEO\Presenters\Schema_Presenter->present()
#8 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/class-wp-hook.php(308): Yoast\WP\SEO\Integrations\Front_End_Integration->present_head('')
#9 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array)
#10 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#11 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php(298): do_action('wpseo_head')
#12 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/class-wp-hook.php(308): Yoast\WP\SEO\Integrations\Front_End_Integration->call_wpseo_head('')
#13 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#14 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#15 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/general-template.php(3043): do_action('wp_head')
#16 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/header-footer-elementor/themes/default/hfe-header.php(16): wp_head()
#17 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/header-footer-elementor/themes/default/class-hfe-default-compat.php(57): require('/homepages/33/d...')
#18 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/class-wp-hook.php(310): HFE\Themes\HFE_Default_Compat->override_header(NULL)
#19 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#20 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#21 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/general-template.php(38): do_action('get_header', NULL, Array)
#22 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/the-events-calendar/src/views/v2/default-template.php(17): get_header()
#23 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-includes/template-loader.php(106): include('/homepages/33/d...')
#24 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-blog-header.php(19): require_once('/homepages/33/d...')
#25 /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/index.php(17): require('/homepages/33/d...')
#26 {main}
thrown in /homepages/33/d659620499/htdocs/clickandbuilds/FDPLeonberg/wp-content/plugins/wordpress-seo/src/presentations/abstract-presentation.php on line 67