Prerequisites Error: Check to see if you have taken and passed the course that is required prior to the
one you’re attempting to add. Refer to class schedule and/or un-official transcripts
Example: Intermediate Algebra, Math 80 – 4.0 Units: Prerequisite: Math 60 or equivalent with a grade of Credit or “C” or higher or a satisfactory score on Intermediate
Algebra Readiness test.
Time scheduling Error: You are trying to enroll into a class that meets during times that conflict with
a class you’re already enrolled in. Check your schedule.
Unit Load Exceeded: You have reached your unit max for the semester; see a counselor to increase your unit load if you qualify.
Course previously taken: You have taken or withdrawn from the course twice in the past. You must complete
an Academic Records & Standards Committee Petition and submit it to the Admissions and Records Office to retake this course. Forms are
available at the information desk.
Hold on registration: You have a hold on your account with the college. Log in to your MyCerritos, and
click on Student Center. On the right hand side you will see a “Holds ” tab. If it
is a fee, see the admissions office. If the hold is from counseling, see the front
desk or the information desk in the Admissions Office.
Multiple Enrollment not allowed: The system shows that you’re already enrolled in that course or are enrolled in the
course under a different class (ticket) number. (Check your class schedule and make
You do not have a valid enrollment at this time: Not every student has the same enrollment appointment date and time. Until your appointment
time passes, you are only able to add classes to the shopping cart. For your appointment time, go back to step #4 (click
on the One Stop Center). On the right hand side, you’ll see “Enrollment Dates;” click on