when I run the script nightlyupdate
is the following error message
[ERROR] iMSCP::Stepper::_callback: Can't locate object method "isMountpoint" via package "/var/chroot/CronJobs/jail/dev/pts" (perhaps you forgot to load "/var/chroot/CronJobs/jail/dev/pts"?) at /usr/local/src/imscp/engine/PerlLib/iMSCP/Mount.pm line 133, <> line 2.
autoinstaller::Functions::install: An error occurred while performing installation steps
My system
Debian Jessy 8,5
Mysql 5,7