XF 2.2 New Install Error


New member
Hello! I'm doing a new install and I keep getting this error:

Error: Class 'Doctrine\Common\Lexer\AbstractLexer' not found in src/vendor/egulias/email-validator/src/EmailLexer.php at line 7
include() in src/vendor/composer/ClassLoader.php at line 444
Composer\Autoload\includeFile() in src/vendor/composer/ClassLoader.php at line 322
spl_autoload_call() in src/vendor/egulias/email-validator/src/EmailValidator.php at line 27
Egulias\EmailValidator\EmailValidator->__construct() in src/XF/Validator/Email.php at line 30
XF\Validator\Email->isValid() in src/XF/App.php at line 3142
XF\App->isValid() in src/XF/Validator/Username.php at line 89
XF\Validator\Username->isValid() in src/XF/Entity/User.php at line 1329
XF\Entity\User->verifyUsername() in src/XF/Mvc/Entity/Entity.php at line 787
XF\Mvc\Entity\Entity->_verifyValueCustom() in src/XF/Mvc/Entity/Entity.php at line 632
XF\Mvc\Entity\Entity->set() in src/XF/Mvc/Entity/Entity.php at line 739
XF\Mvc\Entity\Entity->bulkSet() in src/XF/Install/Helper.php at line 371
XF\Install\Helper->createInitialUser() in src/XF/Install/Controller/Install.php at line 239
XF\Install\Controller\Install->actionStep3b() in src/XF/Mvc/Dispatcher.php at line 350
XF\Mvc\Dispatcher->dispatchClass() in src/XF/Mvc/Dispatcher.php at line 257
XF\Mvc\Dispatcher->dispatchFromMatch() in src/XF/Mvc/Dispatcher.php at line 113
XF\Mvc\Dispatcher->dispatchLoop() in src/XF/Mvc/Dispatcher.php at line 55
XF\Mvc\Dispatcher->run() in src/XF/App.php at line 2300
XF\App->run() in src/XF.php at line 464
XF::runApp() in install/index.php at line 14

Am I doing something wrong or am I supposed to have something else (emaillexar) loaded too?