Why don’t you paste the indicated lines of your cpp file (37, 51, 57). A screen cap of the surrounding code might be better but include line numbers with the screencap. My guess is either a mismatched {} or you’ve not added the classname in front of a function implementation somewhere.
I suspect you are defining a function inside of another function due to mismatched braces as @myrhillion described.
there was an error in my code i was having 1 unmatched “{” and i was using the input function in side the process guess function instead of using guess