hi, been having error "member function error" i really dont know what to do, please help. I've typed the error in Bold..

thanks guys/gals!

[code=cpp]
int yes1;

// create a GradeBook object; pass a course name and instructor name
GradeBook gradeBook( "CS101 Introduction to C++ Programming" );

//error no matching function for call to GradeBook:...