Set up Google Login extension. After click on Sign in with Google button:
[XpMvl@LAlRhgyItn9wkGkwAAAM4] /index.php?title=Speci%C3%A1lis:Bel%C3%A9p%C3%A9s&returnto=Kezd%C5%91lap Error from line 27 of /home/ezernegyes/public_html/wiki/extensions/GoogleLogin/includes/GoogleLogin.php: Class 'Google_Client' not found
Backtrace:
#0 /home/ezernegyes/public_html/wiki/extensions/GoogleLogin/includes/Auth/GooglePrimaryAuthenticationProvider.php(393): GoogleLogin\GoogleLogin::getClient(string, string)
#1 /home/ezernegyes/public_html/wiki/extensions/GoogleLogin/includes/Auth/GooglePrimaryAuthenticationProvider.php(373): GoogleLogin\Auth\GooglePrimaryAuthenticationProvider->getGoogleClient()
#2 /home/ezernegyes/public_html/wiki/extensions/GoogleLogin/includes/Auth/GooglePrimaryAuthenticationProvider.php(41): GoogleLogin\Auth\GooglePrimaryAuthenticationProvider->beginGoogleAuthentication(array, string)
#3 /home/ezernegyes/public_html/wiki/includes/auth/AuthManager.php(458): GoogleLogin\Auth\GooglePrimaryAuthenticationProvider->beginPrimaryAuthentication(array)
#4 /home/ezernegyes/public_html/wiki/includes/auth/AuthManager.php(388): MediaWiki\Auth\AuthManager->continueAuthentication(array)
#5 /home/ezernegyes/public_html/wiki/includes/specialpage/AuthManagerSpecialPage.php(354): MediaWiki\Auth\AuthManager->beginAuthentication(array, string)
#6 /home/ezernegyes/public_html/wiki/includes/specialpage/AuthManagerSpecialPage.php(484): AuthManagerSpecialPage->performAuthenticationStep(string, array)
#7 /home/ezernegyes/public_html/wiki/includes/htmlform/HTMLForm.php(690): AuthManagerSpecialPage->handleFormSubmit(array, VFormHTMLForm)
#8 /home/ezernegyes/public_html/wiki/includes/specialpage/AuthManagerSpecialPage.php(417): HTMLForm->trySubmit()
#9 /home/ezernegyes/public_html/wiki/includes/specialpage/LoginSignupSpecialPage.php(313): AuthManagerSpecialPage->trySubmit()
#10 /home/ezernegyes/public_html/wiki/includes/specialpage/SpecialPage.php(575): LoginSignupSpecialPage->execute(NULL)
#11 /home/ezernegyes/public_html/wiki/includes/specialpage/SpecialPageFactory.php(611): SpecialPage->run(NULL)
#12 /home/ezernegyes/public_html/wiki/includes/MediaWiki.php(296): MediaWiki\Special\SpecialPageFactory->executePath(Title, RequestContext)
#13 /home/ezernegyes/public_html/wiki/includes/MediaWiki.php(900): MediaWiki->performRequest()
#14 /home/ezernegyes/public_html/wiki/includes/MediaWiki.php(527): MediaWiki->main()
#15 /home/ezernegyes/public_html/wiki/index.php(44): MediaWiki->run()
#16 {main}