There is nothing wrong with elective courses. I also forgot to take the exam once. As a result, I just need to take another course or make-up exams next semester. I hope I can help you. It doesn't matter if you fail the elective course, as long as you have enough credits. Don't worry.

Need to improve GPA! Please indicate your purpose when the university educational administration system is changed to integral and failing courses (the educational administration system is changed to GPA and the grade is changed to 2 12433686 Nightcrawler).