After restarting SAB forgets how to display layouts.
E.g., we select a default layout(s):
That’s what we see in appDef:
but after restart of SAB:
PS. I have seen this bug before, maybe in SAB 6.x
SAB 8.1 Release 66 (26-Aug-2020)
macOS Catalina 10.15.5 (19F101)