I can't install OJS. After submit Instal OJS nothing happen

OJS Application Version ojs-3.1.2-1

After submit Instal OJS nothing happen
I already try many times, same thing happen, just reload and nothing happen
No error log

Please help,
Thank you

Hello Benyamin,

Did you check the apache logs? You can find them in /var/logs.

No /var/logs.

I try to unzip and install OJS Version 2.4.8.5

http://e-journal.sttdp.ac.id

After submit show fatal error.
Please help either ojs-3.1.2-1 or Version 2.4.8.5,
Thank you

img: Version 2.4.8.5,

after submit

Hello, you need to know your PHP version! try to install your OJS3 in php 7!