{"id":19020985,"date":"2026-09-15T19:03:09","date_gmt":"2026-09-15T19:03:09","guid":{"rendered":"https:\/\/wordpress.org\/support\/?post_type=topic&#038;p=19020985"},"modified":"2026-09-15T19:16:04","modified_gmt":"2026-09-15T19:16:04","slug":"fatal-error-in-fournotfour-php-line-368-missing-class","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/fatal-error-in-fournotfour-php-line-368-missing-class\/","title":{"rendered":"Fatal error in FourNotFour.php line 368: missing class"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">With Version 4.0.4:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>An error of type E_ERROR was caused in line 368 of the file \/var\/www\/vhosts\/mywebsite.com\/httpdocs\/wp-content\/plugins\/404-to-301\/app\/FourNotFour.php. Error message: Uncaught Error: Class \"AIOSEO\\FourNotFour\\Utils\\VueSettings\" not found in \/var\/www\/vhosts\/mywebsite.com\/httpdocs\/wp-content\/plugins\/404-to-301\/app\/FourNotFour.php:368<br \/>Stack trace:<br \/>#0 \/var\/www\/vhosts\/mywebsite.com\/httpdocs\/wp-includes\/class-wp-hook.php(353): AIOSEO\\FourNotFour\\FourNotFour-&gt;loadInit()<br \/>#1 \/var\/www\/vhosts\/mywebsite.com\/httpdocs\/wp-includes\/class-wp-hook.php(377): WP_Hook-&gt;apply_filters()<br \/>#2 \/var\/www\/vhosts\/mywebsite.com\/httpdocs\/wp-includes\/plugin.php(523): WP_Hook-&gt;do_action()<br \/>#3 \/var\/www\/vhosts\/mywebsite.com\/httpdocs\/wp-settings.php(779): do_action()<br \/>#4 \/var\/www\/vhosts\/mywebsite.com\/httpdocs\/wp-config.php(111): require_once('...')<br \/>#5 \/var\/www\/vhosts\/mywebsite.com\/httpdocs\/wp-load.php(50): require_once('...')<br \/>#6 \/var\/www\/vhosts\/mywebsite.com\/httpdocs\/wp-admin\/admin-ajax.php(22): require_once('...')<br \/>#7 {main}<br \/> thrown<\/code><\/pre>\n","protected":false},"template":"","class_list":["post-19020985","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19020985","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":1,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19020985\/revisions"}],"predecessor-version":[{"id":19020989,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19020985\/revisions\/19020989"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=19020985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}