Child exited with status 1!

[CronoS6]

this is a part of my log /var/logs/cups:

I [04/Feb/2005:19:45:14 +0100] Installing config file "/etc/cups/cupsd.conf"...
W [04/Feb/2005:19:45:14 +0100] Unknown username "lp"
W [04/Feb/2005:19:45:14 +0100] Unknown groupname "lp"
I [04/Feb/2005:19:45:14 +0100] Loaded configuration file "/etc/cups/cupsd.conf"
I [04/Feb/2005:19:45:14 +0100] Configured for up to 100 clients.
I [04/Feb/2005:19:45:14 +0100] Allowing up to 100 client connections per host.
I [04/Feb/2005:19:45:14 +0100] Partial reload complete.
I [04/Feb/2005:19:49:33 +0100] Scheduler shutting down normally.
W [04/Feb/2005:19:49:36 +0100] Unknown username "lp"
W [04/Feb/2005:19:49:36 +0100] Unknown groupname "lp"
I [04/Feb/2005:19:49:36 +0100] Loaded configuration file "/etc/cups/cupsd.conf"
I [04/Feb/2005:19:49:36 +0100] Configured for up to 4 clients.
I [04/Feb/2005:19:49:36 +0100] Allowing up to 4 client connections per host.
I [04/Feb/2005:19:49:36 +0100] Full reload is required.
I [04/Feb/2005:19:49:37 +0100] LoadPPDs: Read "/etc/cups/ppds.dat", 3037 PPDs...
I [04/Feb/2005:19:49:37 +0100] LoadPPDs: No new or changed PPDs...
I [04/Feb/2005:19:49:37 +0100] Full reload complete.
I [04/Feb/2005:21:49:08 +0100] Saving printers.conf...
I [04/Feb/2005:21:49:08 +0100] Printer 'canoni550' rejecting jobs ('root').
I [04/Feb/2005:21:49:09 +0100] Saving printers.conf...
I [04/Feb/2005:21:49:09 +0100] Printer 'canoni550' now accepting jobs ('root').
E [04/Feb/2005:21:49:45 +0100] Scheduler shutting down due to program error.