• You can only add members to the committee if they are currently members of the group. If you are unsure as to whether they are a member or not, they should be in one of the “user groups” for your group
  

• I you cannot find the person than the the post may not be active yet. You can only assign members to active posts. To check if the post is active:
  
• Go to your Dashboard

• Click on 'Configure Groups' and 'Edit'

• Navigate your way to 'Committee', 'Manage Posts'

• If the start date/time for that post is in the future, then it is not active 

• If the end date/time for that post is in the past, then it is not active