hi. make sure you are using the exact rom for your mobicel. the error that you get, it is trying to tell you that the the cpu code of the device does not match with the cpu code of the scatter file on the rom that you are trying to use. follow the instructions given on the link below.
http://smartfonesworld.blogspot.co.za/2016/11/flashing-mobicel-metro-2.html
http://smartfonesworld.blogspot.co.za/2016/11/flashing-mobicel-metro-2.html