Remove a dropped class from the Dropped class in Student records and does not exist into the Register

Situation: 

When you have a class that appears in Student records when you look in the Class info > Class,  that you see a class as dropped in Course workload dropped section, but when you looked in the Register the class is not there. 

Solution: 

1. Add that dropped class into the Register, then add the dropped date > SAVE 

2. Edit the dropped class and delete it 

Once that process is completed, it will disappear in the Course workload dropped section.