You must have the most up-to-date version of Haxe, seriously, stop using 4.1.5, it misses some stuff. (I suggest 5.0.0 because thats what i use) ...
A program and possibly extensible Python module that converts MIDI files set up in a specific way into FNF Psych engine 0.7 charts. "Hey where's the executable" GO TO THE RELEASES TAB THERE ARE ...