The media server is detecting handled ACD calls between 11:30pm and 12:30am without the "This enterprise operates 24 hours a day" option enabled.
Minor
If the hours of operation are set incorrectly, reporting inaccuracies may result.
If this call center operates 24 hours a day, enable the "This enterprise operates 24 hours a day" option. This option is located in YourSite Explorer => Media Servers => Data Summary options.
CCM 6.0 SP1 FP1