renaming vm

hi

i'm new with unraid, and english is not my main languaje, so i will make mistakes 

i make a ubuntu vm, i call it as default "ubuntu", now i have a vdisk "/mnt/user/domains/Ubuntu/vdisk1.img"

then i install tvheadend to test if it works, and, as it is working, i rename the vm to "tvheadend", my vdisk for this machine already is "/mnt/user/domains/Ubuntu/vdisk1.img"

i create a new vm, again a ubuntu one, default vm name, and.... my vdisk for this new machine, is "/mnt/user/domains/Ubuntu/vdisk1.img"

if i edit the tvheadend vm, vdisk parameter set to auto, the value is "/mnt/user/domains/tvheadend/vdisk1.img", this path does not exist, so the vm does not start

all parameters by default (except renaming the first one, and asigning a dvb usb stick)