All programmers make errors. Languages/compilers can make those errors more obvious or even impossible to represent or caught at compile time (e.g stronger typ

All programmers make errors. Languages/compilers can make those errors more obvious or even impossible to represent or caught at compile time (e.g stronger typing). The error-prone-ness of a language is just a sloppy description of the tendency for errors to be discovered at runtime rather than development time, and the severity of such errors.