Trying to install Pydio 8

Hi
My environment is Server 2012 R2 with PHP 7.2.2 and MySQL 5.7. When launching the site for the first time I have the button to start the install

When clicking the button to install, I get the following screenshot (with the warning of count(): Parameter…) at the bottom

pydio

If I continue, the Install Wizard window comes up, but I have a grey Install button, nothing to select

I’ve followed the install guide on how to install on Windows 2012 R2.

Here is the PHP error log

[15-Feb-2018 15:22:46 America/New_York] ===> Exception details : C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php on line 257 #0 [internal function]: Pydio\Core\Http\Server->catchError(2, ‘Cannot modify h…’, ‘C:\inetpub\wwwr…’, 150, Array)
#1 C:\inetpub\wwwroot\pydio\plugins\gui.ajax\RichClient.php(150): setcookie(‘AJXP_GUI’, ‘’)
#2 C:\inetpub\wwwroot\pydio\plugins\gui.ajax\RichClient.php(271): Pydio\Gui\RichClient::parseApplicationGetParameters(Object(Pydio\Core\Model\Context), Array, Array, Array)
#3 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Controller\Controller.php(392): Pydio\Gui\RichClient->getBootGui(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#4 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Controller\Controller.php(259): Pydio\Core\Controller\Controller::handleRequest(Object(DOMElement), Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#5 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Controller\Controller.php(141): Pydio\Core\Controller\Controller::run(Object(Zend\Diactoros\ServerRequest), Object(DOMElement))
#6 [internal function]: Pydio\Core\Controller\Controller::registryActionMiddleware(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#7 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(146): call_user_func_array(Array, Array)
#8 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(145): Pydio\Core\Http\Server->nextCallable(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#9 [internal function]: Pydio\Core\Http\Server->Pydio\Core\Http{closure}(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#10 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(162): call_user_func_array(Object(Closure), Array)
#11 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Middleware\SessionRepositoryMiddleware.php(114): Pydio\Core\Http\Server::callNextMiddleWare(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#12 [internal function]: Pydio\Core\Http\Middleware\SessionRepositoryMiddleware::handleRequest(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#13 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(146): call_user_func_array(Array, Array)
#14 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(145): Pydio\Core\Http\Server->nextCallable(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#15 [internal function]: Pydio\Core\Http\Server->Pydio\Core\Http{closure}(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#16 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(162): call_user_func_array(Object(Closure), Array)
#17 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Middleware\WorkspaceAuthMiddleware.php(107): Pydio\Core\Http\Server::callNextMiddleWare(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#18 [internal function]: Pydio\Core\Http\Middleware\WorkspaceAuthMiddleware::handleRequest(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#19 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(146): call_user_func_array(Array, Array)
#20 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(145): Pydio\Core\Http\Server->nextCallable(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#21 [internal function]: Pydio\Core\Http\Server->Pydio\Core\Http{closure}(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#22 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(162): call_user_func_array(Object(Closure), Array)
#23 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Middleware\AuthMiddleware.php(96): Pydio\Core\Http\Server::callNextMiddleWare(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#24 [internal function]: Pydio\Core\Http\Middleware\AuthMiddleware::handleRequest(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#25 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(146): call_user_func_array(Array, Array)
#26 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(145): Pydio\Core\Http\Server->nextCallable(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#27 [internal function]: Pydio\Core\Http\Server->Pydio\Core\Http{closure}(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#28 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(162): call_user_func_array(Object(Closure), Array)
#29 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Middleware\SecureTokenMiddleware.php(73): Pydio\Core\Http\Server::callNextMiddleWare(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#30 [internal function]: Pydio\Core\Http\Middleware\SecureTokenMiddleware::handleRequest(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#31 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(146): call_user_func_array(Array, Array)
#32 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(145): Pydio\Core\Http\Server->nextCallable(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#33 [internal function]: Pydio\Core\Http\Server->Pydio\Core\Http{closure}(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#34 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(162): call_user_func_array(Object(Closure), Array)
#35 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Middleware\SessionMiddleware.php(86): Pydio\Core\Http\Server::callNextMiddleWare(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#36 [internal function]: Pydio\Core\Http\Middleware\SessionMiddleware::handleRequest(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#37 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(146): call_user_func_array(Array, Array)
#38 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(145): Pydio\Core\Http\Server->nextCallable(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#39 [internal function]: Pydio\Core\Http\Server->Pydio\Core\Http{closure}(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#40 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(162): call_user_func_array(Object(Closure), Array)
#41 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Middleware\SapiMiddleware.php(75): Pydio\Core\Http\Server::callNextMiddleWare(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#42 [internal function]: Pydio\Core\Http\Middleware\SapiMiddleware->handleRequest(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response), Object(Closure))
#43 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(146): call_user_func_array(Array, Array)
#44 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Server.php(198): Pydio\Core\Http\Server->nextCallable(Object(Zend\Diactoros\ServerRequest), Object(Zend\Diactoros\Response))
#45 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\Base.php(74): Pydio\Core\Http\Server->listen()
#46 [internal function]: Pydio\Core\Http\Base::handleRoute(’’, ‘/’, Array)
#47 C:\inetpub\wwwroot\pydio\core\src\pydio\Core\Http\TopLevelRouter.php(139): call_user_func(Array, ‘’, ‘/’, Array)
#48 C:\inetpub\wwwroot\pydio\index.php(30): Pydio\Core\Http\TopLevelRouter->route()
#49 {main}

Regards
Tony

Update: I fixed the issue by installing PHP 7.1 and the corresponding wincache for 7.1