After a successful OAuthAuth login, user is presented with an error message like:
[1[...]9] /wiki/Special:OAuthLogin/finish?oauth_verifier=e[...]0&oauth_token=c[...]4 Error from line 98 of /srv/mediawiki/extensions/OAuthAuthentication/specials/SpecialOAuthLogin.php: Call to undefined method LoginForm::successfulLogin()
Backtrace:
#0 /srv/mediawiki/includes/specialpage/SpecialPage.php(569): MediaWiki\Extensions\OAuthAuthentication\SpecialOAuthLogin->execute(string)
#1 /srv/mediawiki/includes/specialpage/SpecialPageFactory.php(568): SpecialPage->run(string)
#2 /srv/mediawiki/includes/MediaWiki.php(288): MediaWiki\Special\SpecialPageFactory->executePath(Title, RequestContext)
#3 /srv/mediawiki/includes/MediaWiki.php(860): MediaWiki->performRequest()
#4 /srv/mediawiki/includes/MediaWiki.php(517): MediaWiki->main()
#5 /srv/mediawiki/index.php(42): MediaWiki->run()
#6 {main}The login itself is successful.