Title: Error after update Last modified: August 28, 2026 --- # Error after update * [honzapecenka](https://wordpress.org/support/users/honzapecenka/) * (@honzapecenka) * [1 week, 4 days ago](https://wordpress.org/support/topic/error-after-update-246/) * The yabe-webfont plugin updated to version 1.1.1 of the Jooosi Fon plugin. The update failed; see the error message. Reinstalling and activating it doesn’t work—the plugin cannot be activated because it caused a serious error. I’m reverting to version 1.0.98. An E_ERROR occurred on line 53 in the file …/wp-content/plugins/ yabe-webfont/vendor/rosua/migrations/src/Migrator.php. Error message: Uncaught Error: Class “_YabeWebfont\Rosua\Migrations\MigrationRepository” not found in…/ wp-content/plugins/yabe-webfont/vendor/rosua/migrations/src/Migrator.php:53Stack trace: 0 …/wp-content/plugins/yabe-webfont/vendor/rosua/migrations/src/Migrator. php(58): _YabeWebfont\Rosua\Migrations\Migrator->list() 1 …/wp-content/plugins/ yabe-webfont/src/Migration.php(39): _YabeWebfont\Rosua\Migrations\Migrator->execute() 2 …/wp-content/plugins/yabe-webfont/src/Migration.php(28): Yabe\Webfont\Migration- >upgrade() 3 …/wp-includes/class-wp-hook.php(353): Yabe\Webfont\Migration->{closure: Yabe\Webfont\Migration::__construct():28}(‘’) 4 …/wp-includes/class-wp-hook.php( 377): WP_Hook->apply_filters(‘’, Array) 5 …/wp-includes/plugin.php(523): WP_Hook- >do_action(Array) 6 …/wp-content/plugins/yabe-webfont/src/Plugin.php(166): do_action(‘ a!yabe/Can you fix it? Viewing 2 replies - 1 through 2 (of 2 total) * Plugin Author [suasgn](https://wordpress.org/support/users/suasgn/) * (@suasgn) * [1 week, 4 days ago](https://wordpress.org/support/topic/error-after-update-246/#post-19005618) * Thanks for reporting this. The error appears to be caused by an incomplete upgrade from an older Yabe Webfont version, leaving incompatible files behind. Please back up your site, cleanly remove the old plugin version, clear PHP OPcache and any site cache, then install the latest version. * Thread Starter [honzapecenka](https://wordpress.org/support/users/honzapecenka/) * (@honzapecenka) * [1 week, 4 days ago](https://wordpress.org/support/topic/error-after-update-246/#post-19005656) * I tried that, and when I try to activate it, I get this error message: The plugin cannot be activated because it caused a serious error. Viewing 2 replies - 1 through 2 (of 2 total) You must be [logged in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ferror-after-update-246%2F%3Foutput_format%3Dmd&locale=en_US) to reply to this topic. * ![](https://ps.w.org/yabe-webfont/assets/icon-256x256.png?rev=2926323) * [Jooosi Fon - Use Custom Fonts, Google Fonts or Adobe Fonts](https://wordpress.org/plugins/yabe-webfont/) * [Support Threads](https://wordpress.org/support/plugin/yabe-webfont/) * [Active Topics](https://wordpress.org/support/plugin/yabe-webfont/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/yabe-webfont/unresolved/) * [Reviews](https://wordpress.org/support/plugin/yabe-webfont/reviews/) * 2 replies * 2 participants * Last reply from: [honzapecenka](https://wordpress.org/support/users/honzapecenka/) * Last activity: [1 week, 4 days ago](https://wordpress.org/support/topic/error-after-update-246/#post-19005656) * Status: not resolved