Are you sure you're actually compiling the file you think you're compiling? Sometimes, one can get confused about directories. To be sure, rename or move the file you think you're compiling then try the compilation again. If it still compiles, you'd better find that other file!
Which line does the error point to? (Just double-click on the error in the problems view.)
The soul is dyed the color of its thoughts. Think only on those things that are in line with your principles and can bear the light of day. The content of your character is your choice. Day by day, what you do is who you become. Your integrity is your destiny - it is the light that guides your way. - Heraclitus