Common Warnings

The messages below are common warnings that can display while using Courses@Dartmouth. These warnings are preceded by the following symbol:

yellow triangle with an exclamation point in the middle icon
Warning Message Explanation Action to Correct Error
Administrative staff are reviewing your registration records at this time. Please try again later You likely have more than one active session open in Courses@Dartmouth Registration Courses@Dartmouth only allows one active registration session at a time. Logging into Courses@Dartmouth Registration from multiple web browsers, windows/tabs, or devices will cause registration errors and performance issues
Enrollment Limit Reached The course has reached the enrollment limit Select another course or section
Co-Requisite The course requires enrollment in another specified course and/or section during the same semester You must add all co-requisite components to your Primary Cart before submitting registration; otherwise, you will continue to receive the co-requisite error
Lab/Discussion The course requires enrollment in another specified section. Review the Required Linked Section(s) in the Course Details Pane You must add all required sections to your Primary Cart before submitting registration; otherwise, you will continue to receive the ‘Missing required lab/lecture’ error
CRN does not exist The five-digit CRN you entered is not recognized by Courses@Dartmouth Confirm you have the correct CRN. Be sure to enter it correctly
Duplicate Course You have already registered for this course/section Drop the course from your schedule, then attempt to re-add the other section
Instructor Permission Required/Instructor Approval The course instructor must approve your enrollment in the course Contact the instructor. If permission is granted, you will be given an INSTRUCTOR override. If granted an override, you must add the course
Level Restriction You do not have the correct level required for taking the course (ex: undergraduate attempting to register for a graduate-level course) Select another course appropriate to your enrollment level
Prerequisite You have not met the prerequisite established for the course Select another course or secure a prerequisite override from the Instructor/Department. If granted an override, you must then submit registration for the course
Time Conflict The meeting time of the course you selected overlaps with another class selected Select another course or section
You have taken this course You have previously completed this course. Students may not repeat courses for credit, except for independent study courses, ensembles, and music lessons within specified limits (See ORC/Catalog for more information) This is a registration note for your reference (not an error). The course is not repeatable if "Repeat Count Exceeds 0" displays as a registration error (see above)

Administrative staff are reviewing your registration records at this time. Please try again later

You likely have more than one active session open in Courses@Dartmouth Registration

Courses@Dartmouth only allows one active registration session at a time. Logging into Courses@Dartmouth Registration from multiple web browsers, windows/tabs, or devices will cause registration errors and performance issues

Enrollment Limit Reached

The course has reached the enrollment limit

Select another course or section

Co-Requisite

The course requires enrollment in another specified course and/or section during the same semester

You must add all co-requisite components to your Primary Cart before submitting registration; otherwise, you will continue to receive the co-requisite error

Lab/Discussion

The course requires enrollment in another specified section. Review the Required Linked Section(s) in the Course Details Pane

You must add all required sections to your Primary Cart before submitting registration; otherwise, you will continue to receive the ‘Missing required lab/lecture’ error

CRN does not exist

The five-digit CRN you entered is not recognized by Courses@Dartmouth

Confirm you have the correct CRN. Be sure to enter it correctly

Duplicate Course

You have already registered for this course/section

Drop the course from your schedule, then attempt to re-add the other section

Instructor Permission Required/Instructor Approval

The course instructor must approve your enrollment in the course

Contact the instructor. If permission is granted, you will be given an INSTRUCTOR override. If granted an override, you must add the course

Level Restriction

You do not have the correct level required for taking the course (ex: undergraduate attempting to register for a graduate-level course)

Select another course appropriate to your enrollment level

Prerequisite

You have not met the prerequisite established for the course

Select another course or secure a prerequisite override from the Instructor/Department. If granted an override, you must then submit registration for the course

Time Conflict

The meeting time of the course you selected overlaps with another class selected

Select another course or section

You have taken this course

You have previously completed this course. Students may not repeat courses for credit, except for independent study courses, ensembles, and music lessons within specified limits (See ORC/Catalog for more information)

This is a registration note for your reference (not an error). The course is not repeatable if "Repeat Count Exceeds 0" displays as a registration error (see above)

Frequently Asked Questions