I got the same error with Xcode 12.3 on big sur when I try to add the APPLE ID account.
ProductBuildVersion: 12C33
Crashing on exception: The window has been marked as needing another Layout Window pass, but it has already had more Layout Window passes than there are views in the window.
<NSPanel: 0x7fc61fa8b810> 0x5a91 (23185) {{1656, -17}, {830, 552}} Behaviors en