Unable to set permissions for an adult leader

As @JenniferOlinger noted above, the bug has been reported to the developers. The folks on these discussion groups (e.g. SUAC) do not set, nor can they provide, the timelines or priorities for bug fixes (as in this case) or for feature additions.

The best way to stay on top of the status of a bug is to subscribe to the change logs for the various interfaces. One description of how to do do is in this post: Adding and Updating Profile Picture - #12 by CharleyHamilton