Thread:Extension talk:GoogleLogin/Internal error " WEBROOT /mediawiki-1.22.2/includes/htmlform/HTMLForm.php: HTMLForm: no submit callback provided. Use setSubmitCallback() to set one."/reply

Hello! Thanks for your message! Unhappily, this you can't fix yourself without upgrading to a newer MediaWiki-Version :/ I filled a bug to track this bug. There will be a patch for that. Do you use the actual git-master version?