Hello guys i try to upgrade from 4.3.6 to 4.4.2... my version on 4.3 of php was 5.6 i change from phpmulti mananger to 7.2 i scan the sistem from ACP admin tool and all good..i start the upgrade and after upgrade finish or sometimes when i start upgrade auto or manual, i have white page site not load...so all the time i need to restore back... i make a support ticket allready.. and i ask you here maybe someone have this problem and he solove it.

A white screen usually indicates a PHP error occurred but is not being displayed (display errors turned off). Check the PHP error logs to see what the error was.