I downloaded this file a few times but when I try to burn the image for internal sd.. CMT FINAL.IMG it keeps giving the error lzma library error format not recognized.. I used raspberry pi imager and belena etcher and both gave the same error… not sure what this error means but I can not right to sd and I tried 2 different brands of sd cards to eliminate the sd card..any help will be greatly appreciated.. and I followed the instructions in the file