You must be the class Instructor with admin level Email/Print/Calendar or Webmaster or a Superuser to do this.
In order for makeup to be allowed for a member, the following conditions must be met:
Makeups must be enabled for a class by a class admin.
A member must have been previously marked absent for their regular class time and have a makeup class accrued.
The member must not be over the allotted number of makeups allowed.
There must be a slot available in a class at a different date/time.
In the upper left corner, tap the hamburger icon to open the navigation panel.
Select the class.
On the left-hand side of the list of members, check the boxes of the desired members and click Attendance in the bottom left-hand corner.
Under the "Makeups" section, to the right of the athlete, click the "+" to add them to the class.
This will subtract a makeup session for the athlete.
Attendance for the athlete is recorded under "Attendance Details".
Click Done to save changes.
When taking class attendance, the athletes who are making up the class will appear in green with an M located to the right of their name, and you will not be able to record skills.