Error occurs when trying to install Concrete 5 on fasthosts server but get this message:

mkdir(): Input/output error.

Trace:
#0 [internal function]: Whoops\Run->handleError(2, 'mkdir(): Input/...', '/home/hp3-linc1...', 54, Array) #1 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Session/Storage/Handler/NativeFileSessionHandler.php(54): mkdir('10.10.111.52:11...', 511, true) #2 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Session/SessionFactory.php(98): Concrete\Core\Session\Storage\Handler\NativeFileSessionHandler->__construct(NULL) #3 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Session/SessionFactory.php(67): Concrete\Core\Session\SessionFactory->getSessionHandler(Object(Concrete\Core\Config\Repository\Repository)) #4 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Session/SessionFactory.php(43): Concrete\Core\Session\SessionFactory->getSessionStorage(Object(Concrete\Core\Config\Repository\Repository)) #5 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Session/SessionServiceProvider.php(17): Concrete\Core\Session\SessionFactory->createSession() #6 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/vendor/illuminate/container/Illuminate/Container/Container.php(498): Concrete\Core\Session\SessionServiceProvider->Concrete\Core\Session\{closure}(Object(Concrete\Core\Application\Application), Array) #7 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Application/Application.php(541): Illuminate\Container\Container->build(Object(Closure), Array) #8 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/vendor/illuminate/container/Illuminate/Container/Container.php(425): Concrete\Core\Application\Application->build(Object(Closure), Array) #9 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/vendor/illuminate/container/Illuminate/Container/Container.php(809): Illuminate\Container\Container->make('session') #10 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/User/User.php(130): Illuminate\Container\Container->offsetGet('session') #11 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/User/User.php(47): Concrete\Core\User\User->__construct() #12 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Package/StartingPointPackage.php(354): Concrete\Core\User\User::getByUserID(1, true, false) #13 [internal function]: Concrete\Core\Package\StartingPointPackage->add_users() #14 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/controllers/Install.php(293): call_user_func(Array) #15 [internal function]: Concrete\Controller\Install->run_routine('elemental_full', 'add_users') #16 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Controller/AbstractController.php(161): call_user_func_array(Array, Array) #17 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Routing/ControllerRouteCallback.php(27): Concrete\Core\Controller\AbstractController->runAction('run_routine', Array) #18 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Routing/Router.php(142): Concrete\Core\Routing\ControllerRouteCallback->execute(Object(Concrete\Core\Http\Request), Object(Concrete\Core\Routing\Route), Array) #19 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Support/Facade/Facade.php(119): Concrete\Core\Routing\Router->execute(Object(Concrete\Core\Routing\Route), Array) #20 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Application/Application.php(434): Concrete\Core\Support\Facade\Facade::__callStatic('execute', Array) #21 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/src/Application/Application.php(434): Concrete\Core\Support\Facade\Route::execute(Object(Concrete\Core\Routing\Route), Array) #22 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/bootstrap/start.php(231): Concrete\Core\Application\Application->dispatch(Object(Concrete\Core\Http\Request)) #23 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/concrete/dispatcher.php(36): require('/home/hp3-linc1...') #24 /home/hp3-linc1-nfs2-y/018/337018/user/htdocs/index.php(2): require('/home/hp3-linc1...') #25 {main}

Any help with be very much appreciated. Thanks, Zoe