Really curious why you tried to rename the file format magic string to have your initials? Going from GGML (see Title of this post) to GGJT with JT being Justine Tunney? Seems quite unnecessary and bound to have rubbed a lot of people the wrong way.
Here is the official commit undoing the change:
https://github.com/ggerganov/llama.cpp/pull/711/files#diff-7...