Ubuntu frozen after running hours

This is caused by ACPI power management.

It's can be turn off in grub.

Go to Ubuntu terminator.

sudo vi /etc/default/grub
Modify the line and add acpi=off
and use command:
sudo update-grub

sudo reboot

Change source system name after transport

Thanks to Robert. 

You are not able to import the TR correctly due the table is not maintained properly.

 SM30 TABLE: RSLOGSYSMAP