Pydio 8.0.2 blank page

Hello everyone,
I finished my installation of PYDIO enterprise everything worked well, then I redirected the communication on https. then nothing else I have a blank page.
my OS is centos7, my web server is appche2.4.
Pydio 8.0.2
below the screenshot.
Thank you


could you look at your apache error logs, you can find them in /etc/log/apache2/error.log