Change Details

While logged in, when I change the skin and hit Save at https://www.mediawiki.org/wiki/Special:Preferences#mw-prefsection-rendering I receive the following error: ``` Error Our servers are currently under maintenance or experiencing a technical problem. Please try again in a few minutes. See the error message at the bottom of this page for more information. If you report this error to the Wikimedia System Administrators, please include the details below. PHP fatal error: Argument 2 passed to GlobalPreferences\Hooks::onPreferencesFormPreSave() must be an instance of PreferencesForm, PreferencesFormLegacy given ```

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