ISPConfigOSException -> Command mount -o remount / 2>&1 ...

[githubsharezone]

i follow the guide installation on site

https://www.howtoforge.com/ispconfig-autoinstall-debian-ubuntu/

but i recevie errore

ISPConfigOSException -> Command mount -o remount / 2>&1 && quotaoff -avug 2>&1 && quotacheck -avugm 2>&1 && quotaon -avug

can help me ?