{"id":19026755,"date":"2026-09-23T00:40:08","date_gmt":"2026-09-23T00:40:08","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/fatal-error-with-4-3-0\/"},"modified":"2026-09-24T12:44:32","modified_gmt":"2026-09-24T12:44:32","slug":"fatal-error-with-4-3-0","status":"closed","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/fatal-error-with-4-3-0\/","title":{"rendered":"Fatal Error with 4.3.0"},"content":{"rendered":"\n

Seeing the following fatal on thousands of sites since 4.3.0 update when having older versions of Pro:<\/p>\n\n\n\n

PHP: 2026-09-23 01:37:18 [error X 0][\/srv\/htdocs\/wp-content\/plugins\/elementor\/core\/experiments\/manager.php::968] Uncaught Elementor\\Core\\Experiments\\Exceptions\\Dependency_Exception: Depending on a hidden experiment is not allowed. in \/srv\/htdocs\/wp-content\/plugins\/elementor\/core\/experiments\/manager.php:968
Stack trace:
#0 \/srv\/htdocs\/wp-content\/plugins\/elementor\/core\/experiments\/manager.php(88): Elementor\\Core\\Experiments\\Manager-&gt;initialize_feature_dependencies(Array)
#1 \/srv\/htdocs\/wp-content\/plugins\/elementor-pro\/core\/modules-manager.php(85): Elementor\\Core\\Experiments\\Manager-&gt;add_feature(Array)
#2 \/srv\/htdocs\/wp-content\/plugins\/elementor-pro\/plugin.php(361): ElementorPro\\Core\\Modules_Manager-&gt;__construct()
#3 \/wordpress\/core\/7.1.2\/wp-includes\/class-wp-hook.php(353): ElementorPro\\Plugin-&gt;on_elementor_init(&#039;&#039;)
#4 \/wordpress\/core\/7.1.2\/wp-includes\/class-wp-hook.php(377): WP_Hook-&gt;apply_filters(NULL, Array)
#5 \/wordpress\/core\/7.1.2\/wp-includes\/plugin.php(523): WP_Hook-&gt;do_action(Array)
#6 \/srv\/htdocs\/wp-content\/plugins\/elementor\/includes\/plugin.php(634): do_action(&#039;elementor\/init&#039;)
#7 \/wordpress\/core\/7.1.2\/wp-includes\/class-wp-hook.php(353): Elementor\\Plugin-&gt;init(&#039;&#039;)
#8 \/wordpress\/core\/7.1.2\/wp-includes\/class-wp-hook.php(377): WP_Hook-&gt;apply_filters(NULL, Array)
#9 \/wordpress\/core\/7.1.2\/wp-includes\/plugin.php(523): WP_Hook-&gt;do_action(Array)
#10 \/wordpress\/core\/7.1.2\/wp-settings.php(779): do_action(&#039;init&#039;)
#11 phar:\/\/\/usr\/local\/bin\/wp-cli\/vendor\/wp-cli\/wp-cli\/php\/WP_CLI\/Runner.php(1374): require(&#039;\/wordpress\/core...&#039;)
#12 phar:\/\/\/usr\/local\/bin\/wp-cli\/vendor\/wp-cli\/wp-cli\/php\/WP_CLI\/Runner.php(1293): WP_CLI\\Runner-&gt;load_wordpress()
#13 phar:\/\/\/usr\/local\/bin\/wp-cli\/vendor\/wp-cli\/wp-cli\/php\/WP_CLI\/Bootstrap\/LaunchRunner.php(28): WP_CLI\\Runner-&gt;start()
#14 phar:\/\/\/usr\/local\/bin\/wp-cli\/vendor\/wp-cli\/wp-cli\/php\/bootstrap.php(84): WP_CLI\\Bootstrap\\LaunchRunner-&gt;process(Object(WP_CLI\\Bootstrap\\BootstrapState))
#15 phar:\/\/\/usr\/local\/bin\/wp-cli\/vendor\/wp-cli\/wp-cli\/php\/wp-cli.php(35): WP_CLI\\bootstrap()
#16 phar:\/\/\/usr\/local\/bin\/wp-cli\/php\/boot-phar.php(20): include(&#039;phar:\/\/\/usr\/loc...&#039;)
#17 \/usr\/local\/bin\/wp-cli(4): include(&#039;phar:\/\/\/usr\/loc...&#039;)
#18 {main}
  thrown [array (
  'trace' => '
#0: Elementor\\Core\\Logger\\Manager -> shutdown()
',
)]
<\/code><\/pre>\n","protected":false},"template":"","class_list":["post-19026755","topic","type-topic","status-closed","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19026755","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19026755\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=19026755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}