I have almost the same problem. It happened after i updated my "SPT-AKI Profile Editor"
It only changes the first lines on the server
"
Error: Unsupported issue: Expected "[", "false", "null", "true", "{", number, or string but "\0" found. (please open an issue at the repo)
Error: Unsupported issue: Expected "[", "false", "null", "true", "{", number, or string but "\0" found. (please open an issue at the repo)"