College of Business Administration "Core?"

[Admin]

Prerequisite: Completion of College of Business Administration core.

Requisites not met for Class, not enrolled. (1----,1-)
Requirements have not been met to enroll in the specified class. The enrollment transaction was not processed.

Do you need to complete all the core courses listed under "REQUIRED OF ALL BUS. MAJORS" prior to registering the course? I have yet to complete 3 classes under the 'Required Of All Business Majors' category which includes the class I was trying to add.