I am using a MPC5668G microcontroller.
I have download by error a wrong .mot file into micro using IC5000 box
after this, I cant downlaod any .mot file
From you screenshot I can see you have multibit ECC fault on address 0x0.
I am not sure how iSystem works but, try to use other debugger.
Lauterbach or PE Micro and erase flash.
In Lauterbach you need to do:
Or try to ask iSystem for help clearing multibit flash ECC faults.