Trying to Add Advancement Chair Throws Error

*1) Hardware: Desktop
*2) Operating system: Win 11
*3) Browser: Chrome
*4) Browser cache: Tried incognito mode and the same issue
*5) Member ID & Council: 12781546, Greater Colorado Council

In the Position Manager, I am trying to assign a committee member, who is fully active with YPT, to the Advancement Chair. It throws an “Invalid Request” error. One possibility, is that we just switched this person out of Scoutmaster to the Committee and put in our new scoutmaster.