Data at the root level is invalid. Line 1, position 1

[CLMP80Kts]

Got this error when trying to load a save from the Command Showcase, Ford Class. This was my 2nd save created for this mission, the first one loads successfully. I did a search in the forum and only found 1 thread with this occurring and sounded like the issue was caused by using "&" in the name of a reference point. I don't name my reference points so thinking it is something else (also appears a previous update fixed this issue). Have never encountered this error with any other save. Pretty sure I didn't use "&" in naming any of the missions either so not sure if that is the same root cause or something else.

Attaching 2 files, Save 1 is my first save and works, Save 2 gives me the error.

Thanks for the help!