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Common Registration Errors

If you are unable to register for a particular class, take note of the error message displayed on the screen. This error message will tell you the specific issue that is preventing you from registering for the class. Common errors/restrictions are listed below, along with corresponding instructions to resolve the specific issue.

Error Displayed What It Means What to Do
Classification Restriction Course is restricted to specific student classifications (FR, SO, JR, SR), and the student’s classification does not match the required classification for the course. Email the department responsible for the course. If approved, then student will be granted an override permission to be allowed to add the course.
Closed Section Course has reached enrollment capacity set by department. Select another section that has not reached enrollment capacity.
College Restriction Course is restricted to students in a specific college, and the student is not listed in the required college for enrollment in the course. Email the department responsible for the course. If department approves, then student will be granted an override permission to be allowed to add course.
Corequisite Required Course requires registration in a corequisite course at the same time. Add both classes at the same time by entering both CRN’s on the course worksheet, then clicking Submit Changes.
CRN Does Not Exist The CRN (Course Reference Number) entered is not recognized or is invalid.   Check the schedule of classes to get the correct CRN.
Department Restriction Course requires permission of department. Email the department responsible for the course. If department approves, then student will be granted an override permission to be allowed to add course.
Duplicate Course Course is a duplicate of another course already on the student’s schedule. Email the department responsible for the course. If department approves, then student will be granted an override permission to be allowed to add course.
Field of Study Restriction     Course is restricted to students in a specific major/minor, and the student is not listed in the required major/minor for enrollment in the course. Select another section that is not restricted outside your major.
Linked Course Required Section is linked to another section of the course.  These sections must be scheduled at the same time.   Ex. CMCN 100 (lecture section/lab section) Add both sections at the same time by checking the box for both sections (lecture section and lab section), then clicking Submit Changes.
 Major Restriction   Course is restricted to students in a specific major, and the student is not listed in the required major for enrollment in the course. Select another section that is not restricted outside your major.
Permission of Instructor     Course requires approval from the instructor of the course. Email the instructor responsible for the course. If the instructor approves, he or she must inform the department so that an override permission can be added to grant permission to add the course.
Pre-Requisite Error Student is missing prerequisite course/test score.   Ex. Credit for ENGL 101 before registering for ENGL 102 Email the department responsible for the course. If department approves, then student will be granted an override permission to be allowed to add course.
Reserved Closed Course section is restricted to a certain number of seats for a particular student group and the student attempting to register is not a member of that group. (For example a reservation can be for Online Majors, Freshman, etc.) Select another section of the course. 
Time Conflict Time of course conflicts with another course on student’s schedule. Email the department responsible for the course. If department approves, then student will be granted an override permission to be allowed to add course.