Compile issue after adding some functions ... file access buffer save/load issue?

Hi all,

In my project currently I'm unable to compile my game, unable to figure out why, and I get the following error. I'm using Github/SourceTree to manage it, and going back to the previous commit, it compiles just fine. The only changes between the current commit and the previous is just code changes. The IDE didn't update through it (although it did in one of the earlier commits, but the game was still working fine), and no settings were changed.

For context, the code changes I did...

Compile issue after adding some functions ... file access buffer save/load issue?