Fatal error: During inheritance of DateTime: Uncaught RuntimeException: Return type of Tribe\Utils\Date_I18n::createFromImmutable($datetime) should either be compatible with DateTime::createFromImmutable(DateTimeImmutable $object): DateTime, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/the-events-calendar/common/src/functions/utils.php:549 Stack trace: #0 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/better-wp-security/vendor-prod/composer/ClassLoader.php(576): tribe_catch_and_throw() #1 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/better-wp-security/vendor-prod/composer/ClassLoader.php(576): include() #2 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/better-wp-security/vendor-prod/composer/ClassLoader.php(427): Composer\Autoload\{closure}() #3 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/the-events-calendar/common/src/Tribe/Date_Utils.php(1272): Composer\Autoload\ClassLoader->loadClass() #4 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/the-events-calendar/src/Tribe/Models/Post_Types/Event.php(43): Tribe__Date_Utils::build_date_object() #5 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/the-events-calendar/common/src/Tribe/Models/Post_Types/Base.php(115): Tribe\Events\Models\Post_Types\Event->build_properties() #6 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/the-events-calendar/common/src/Tribe/Models/Post_Types/Base.php(146): Tribe\Models\Post_Types\Base->get_properties() #7 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/the-events-calendar/src/functions/template-tags/event.php(135): Tribe\Models\Post_Types\Base->to_post() #8 [internal function]: tribe_get_event() #9 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/the-events-calendar/src/Tribe/iCal.php(233): array_map() #10 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-includes/class-wp-hook.php(324): Tribe__Events__iCal->do_ical_template() #11 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #12 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-includes/plugin.php(517): WP_Hook->do_action() #13 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-includes/template-loader.php(13): do_action() #14 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-blog-header.php(19): require_once('/homepages/38/d...') #15 /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/index.php(17): require('/homepages/38/d...') #16 {main} in /homepages/38/d655530423/htdocs/clickandbuilds/HorizonOnlineCourse/wp-content/plugins/the-events-calendar/common/src/Tribe/Utils/Date_I18n.php on line 20