AutoStart fails if AuthenticateFn has wrong valence, but does not show the info about the error.

[mbaas2]

I happened to define an ambivalent AuthenticateFn where a monadic one was expected.
The session output (after starting APL with jarvis.dws and a configfile-argument) was:

⍎Unable to start server - "#.CITA_Server. 0
      Server←AutoStart
      ∧