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The 'locale' parameter (undef) to DateTime::new was an 'undef', which
+is not one of the allowed types: scalar object
at /usr/lib/perl5/site_perl/5.8.5/Params/ValidatePP.pm line 634
...
Params::Validate::validate('ARRAY(0xa87370)', 'HASH(0xe284a0)') ca
+lled at /usr/lib64/perl5/site_perl/5.8.5/x86_64-linux-thread-multi/Da
+teTime.pm line 171
DateTime::new('undef', 'year', 2015, 'month', 08, 'day', 24, 'hour
+', 17, ...) called at MonitorClass.pm line 80
MonitorClass::MakeDateTime('MonitorClass=HASH(0xf03430)', 2015, 08
+, 24, 17, 36, 47, 144) called at MonitorClass.pm line 196