Registration Errors

When registering, you may find that you receive an error message at some point along the way. Below are the most commonly received error messages, what they mean, and what to do to resolve the error.

Message

What it Means

What to Do

Account Disabled – Your web access has been disabled due to too many unsuccessful attempts.

Your Aurora account has been disabled.

Contact the Registrar’s Office Help Line at 474-9420.

Authorization Failure – Invalid User ID or PIN
Verify that your student or employee number is correct and re-enter in User ID. If you have forgotten your PIN click on Forgot PIN? to reset it.
Your User ID or PIN is incorrect. Verify that your student number and PIN are correct. Click on Forgot PIN? To reset your PIN.
Available space is being offered to students on the waitlist. If you would like to join the waitlist, select 'Waitlist' under Action. The course is full and available space is being offered to a student already on the waitlist. If you would like to join the waitlist, select 'Waitlist' under Action.
Campus Restriction - This course or section is restricted to students associated with a specific campus. Restrictions can be viewed in the Detailed Class Information.

You are not associated with the campus offering this course.

Search for a course available on your campus.
Cohort Restriction - This course or section is restricted to students in a certain Cohort. Restrictions can be viewed in the Detailed Class Information. You do not have the required cohort to take this course. Search for a course available to your cohort; contact your advising office if needed.
Corequisite Required - CRN XXXXX must be taken concurrently with this course. You must register for both course sections at the same time. You must register for both co-requisite courses at the same time. Register for the co-requisite course on the same worksheet.
Closed - this section is full. The course is full. Look for a class that has space available.
Closed - This section is full; XX students waitlisted. If you would like to join the waitlist, select 'Waitlist' under Action. The class is full but you can go on the waitlist. If you would like to join the waitlist, select 'Waitlist' under Action.
Degree Restriction - This course or section is restricted to students in a specific degree program. Restrictions can be viewed in the Detailed Class Information. You are not in the program designated for this course. Look for a course that is available to your program.
Duplicate Course with Section You are currently registered in another section of the course this term. Look for another course to take; contact your advising office if needed.
Duplicate Equivalent Course - This course is equivalent to CRN XXXXX. You may register or go on the waitlist for only one of these courses. You are currently registered in an equivalent course. Decide which of the two courses you would like to take.
Faculty/School Restriction - This course or section is restricted to students in a specific faculty/school. Restrictions can be viewed in the Detailed Class Information. You are not a student in the faculty/college/school designated for this course. Look for a class that is available to your faculty/college/school.
Field of Study Restriction - This course or section is restricted to students with a certain field of study. Restrictions can be viewed under Detailed Class Information. You do not have the major, minor, or concentration designated to take this course. Look for a course that is available to your major, minor, or concentration.
Level Restriction - This course or section is restricted to students in a certain level of study. Restrictions can be viewed in the Detailed Class Information. You are not in the correct level to take this course. Look for a course that is available to your level of study.
Linked Course Required - This course must be taken as a lecture and lab/tutorial combination. You must register for both the lecture and the lab/tutorial sections at the same time. You must register for both the lecture and the lab/tutorial sections at the same time.

Register for both the lecture and the lab sections on the same worksheet.

Note: Some courses have a specific lecture/lab combinations. View the Class Schedule for details.

Maximum Hours - You have registered for the maximum number of credit hours that you are permitted to take in this term. You may contact your faculty for more information. You have registered for the maximum number of credit hours that you are permitted to take in this term. Contact your advising office if needed.
Mutual Exclusion – Course XXXXX is similar to this course OR the sequence in which you take these courses matters OR the topic matters. Please contact your faculty for permission and more information. You have already taken a course that is similar to this course; or you are trying to take courses out of sequence; or you have already taken a different topic of this course. Contact your advising office if needed. Depending on the circumstances, you may not be able to hold credit for both courses.
Prerequisite Error - You do not appear to have the correct pre/co-requisite to take this course. Please review the course description for pre/co-requisite requirements; contact your faculty if needed. You do not appear to have the correct pre/co-requisite to take this course. Review the course description for pre/co-requisite requirements and ensure you have the requirements for this course.
Program Restriction - This course or section is restricted to students in a specific program. Restrictions can be viewed in the Detailed Class Information. You are not in the designated program to take this course. Look for a course that is available to your program.

Repeated course (or equivalent) - Refer to the Academic Policy Changes page. 

Note: when Limited Access is in effect for the term, you will be prevented from registering for the course. When the Limited Access Term Expiry Date has passed you will be able to register for the course and this message will be displayed for your information.

You have already taken this course, an equivalent course, or have transfer credit for the course or equivalent course.

Plan to register/ waitlist for this course when Limited Access expires for the term.

If you are no longer subject to Limited Access contact your advising office for permission to register.
Refer to the Limited Access FAQ for further information.

Reserve Closed - Available spaces for your student type have all been taken. Refer to the section comments in the Class Schedule for more details. There is no space available for your student type during initial registration. Plan to register for the course when reserves are released in early August.
Reserve Closed – XX students on the waitlist for your student type. If you would like to join the waitlist, select 'Waitlist' under Action. There is no space available in the course for your student type and there are already XX students with your student type on the waitlist. If you would like to join the waitlist, select 'Waitlist' under Action.
Student Attribute Restriction - This course is restricted to students with a certain Attribute. Restrictions can be viewed in the Detailed Class Information. You do not have the required attribute to take this course. Search for another course that does not have this attribute; contact your advising office if needed.
Term Span Error in CRN XXXXX You are not able to be registered in one Part of the course. Contact your advising office for assistance.
Time Conflict with CRN XXXXX - This section overlaps with another course that you have registered for (CRN XXXXX); you cannot register for both of these sections. You are registered in another course at the same time. Look for a course offered at a different time, or drop the course with the time conflict.
Year Class Restriction - This course or section is restricted to students in a certain Year Class. Restrictions can be viewed in the Detailed Class Information. Your year class differs from the restrictions on this course. Look for a course that is available to your year of study.
Waitlist Notification Expired on XXXXX Your time period to move from the waitlist into this course has expired. If you would like to go back on the waitlist, add the course to the worksheet and select 'Waitlist' under Action.

If you experience any errors, contact your Faculty/College/School Advisor.