asterisk users - Oct 2006 - Macro 'exited non-zero'

Can someone tell me if this indicates a problem? What does it mean when a macro
exits != 0 ?

Spawn extension (macro-syst_FindAppServer, s, 5) exited non-zero on
'SIP/xxx.yyy.142.186-b7515f98' in macro 'syst_FindAppServer'

Thanks,
Doug.

Can someone tell me if this indicates a problem? What does it mean when a macro
exits != 0 ?

Spawn extension (macro-syst_FindAppServer, s, 5) exited non-zero on
'SIP/xxx.yyy.142.186-b7515f98' in macro 'syst_FindAppServer'

Thanks,
Doug.