Seeing error '>>>NOCpulse::Probe::InternalError: Cannot read /var/lib/nocpulse/ProbeState/state.221' in /var/log/nocpulse/kernel.log and Satellite monitoring won't start

Issue

Full error in /var/log/nocpulse/kernel.log:

2012-06-28 15:44:28 Loading command records
2012-06-28 15:44:28 Done
2012-06-28 15:44:28 Finished loading config
2012-06-28 15:44:28 Config is up-to-date
2012-06-28 15:44:28 Spawned 0, 221, 242, 303, 224, 223, 222, 248
2012-06-28 15:44:28 Scheduler says we're up-to-date
2012-06-28 15:44:28 Reaped '221' (pid 30821) with status 65280, ERRNO
2012-06-28 15:44:28 Probe 221 produced error output:
         STDERR:
         >>>NOCpulse::Probe::InternalError: Cannot read /var/lib/nocpulse/ProbeState/state.221:  /usr/lib/perl5/vendor_perl/5.8.8/NOCpulse/Probe/PriorState.pm line 133
         called from /usr/lib/perl5/vendor_perl/5.8.8/NOCpulse/Probe/PriorState.pm line 180
         called from /usr/lib/perl5/vendor_perl/5.8.8/NOCpulse/Probe/ProbeRunner.pm line 82
         called from /usr/lib/perl5/vendor_perl/5.8.8/NOCpulse/Scheduler/Event/ProbeEvent.pm line 31
         called from /usr/lib/perl5/vendor_perl/5.8.8/NOCpulse/Process.pm line 125
         called from /usr/lib/perl5/vendor_perl/5.8.8/NOCpulse/ProcessPool.pm line 150
         called from /usr/bin/kernel.pl line 206
         called from /usr/bin/kernel.pl line 158
 <<
2012-06-28 15:44:28 Event terminated abnormally
2012-06-28 15:44:28 Rescheduling at 300-second interval