[TYPO3-50-general] alpha 2 installation fails with an exception

[Domi]

Hello,

I tried today the alpha2 installation, the alpha1 never worked for me. 
But here I get more less the same error code, I would like to know which 
requirement is necessary for a neos testrun:

Uncaught exception #1332169088 in line 63 of 
/data/www/websites/neos/alpha2/Data/Temporary/Development/Cache/Code/Flow_Object_Classes/TYPO3_Setup_Controller_SetupController_Original.php: 
Not all requirements are met for the first setup step, aborting setup

24 
TYPO3\Setup\Controller\SetupController_Original::checkRequestedStepIndex()
23 TYPO3\Setup\Controller\SetupController_Original::indexAction(0)
22 TYPO3\Setup\Controller\SetupController::indexAction(0)
21 call_user_func_array(array|2|, array|1|)
20 
TYPO3\Setup\Controller\SetupController::Flow_Aop_Proxy_invokeJoinPoint(TYPO3\Flow\Aop\JoinPoint)
19 TYPO3\Flow\Aop\Advice\AdviceChain::proceed(TYPO3\Flow\Aop\JoinPoint)
18 
TYPO3\Flow\Security\Aspect\PolicyEnforcementAspect_Original::enforcePolicy(TYPO3\Flow\Aop\JoinPoint)
17 TYPO3\Flow\Aop\Advice\AroundAdvice::invoke(TYPO3\Flow\Aop\JoinPoint)
16 TYPO3\Flow\Aop\Advice\AdviceChain::proceed(TYPO3\Flow\Aop\JoinPoint)
15 TYPO3\Setup\Controller\SetupController::indexAction(0)
14 call_user_func_array(array|2|, array|1|)
13 TYPO3\Flow\Mvc\Controller\ActionController_Original::callActionMethod()
12 
TYPO3\Flow\Mvc\Controller\ActionController_Original::processRequest(TYPO3\Flow\Mvc\ActionRequest, 
TYPO3\Flow\Http\Response)
11 
TYPO3\Flow\Mvc\Dispatcher_Original::dispatch(TYPO3\Flow\Mvc\ActionRequest, 
TYPO3\Flow\Http\Response)
10 TYPO3\Flow\Mvc\Dispatcher::dispatch(TYPO3\Flow\Mvc\ActionRequest, 
TYPO3\Flow\Http\Response)
9 call_user_func_array(array|2|, array|2|)
8 
TYPO3\Flow\Mvc\Dispatcher::Flow_Aop_Proxy_invokeJoinPoint(TYPO3\Flow\Aop\JoinPoint)
7 TYPO3\Flow\Aop\Advice\AdviceChain::proceed(TYPO3\Flow\Aop\JoinPoint)
6 
TYPO3\Flow\Security\Aspect\RequestDispatchingAspect_Original::blockIllegalRequestsAndForwardToAuthenticationEntryPoints(TYPO3\Flow\Aop\JoinPoint)
5 TYPO3\Flow\Aop\Advice\AroundAdvice::invoke(TYPO3\Flow\Aop\JoinPoint)
4 TYPO3\Flow\Aop\Advice\AdviceChain::proceed(TYPO3\Flow\Aop\JoinPoint)
3 TYPO3\Flow\Mvc\Dispatcher::dispatch(TYPO3\Flow\Mvc\ActionRequest, 
TYPO3\Flow\Http\Response)
2 TYPO3\Setup\Core\RequestHandler::handleRequest()
1 TYPO3\Flow\Core\Bootstrap::run()


THX,
Dominic