>OK, that is in agreement with what the ANR0919E message is telling you,
>though I have no idea how you could end up with file spaces with no names.
...

May be circumstances as described in APAR IC32186 and Technote 1194088.

As Andy says, we need the Format=Detailed output of Query Filespace,
which will report the filespace name in hex, so we can determine what's
actually in there.  (Beware non-printing, space-occupying characters.)

  Richard Sims