Error 4502 - Health Service

Hi!

I get these errors frequently. I cannot seem to get rid of them. Any tips?

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A module of type "Microsoft.EnterpriseManagement.Mom.DatabaseQueryModules.GroupCalculationModule" reported an exception Microsoft.EnterpriseManagement.Mom.DatabaseQueryModules.DatabaseQueryModuleException: parsing "*trdbepjp03*" - Quantifier {x,y} following nothing. ---> System.ArgumentException: parsing "*<DBName>*" - Quantifier {x,y} following nothing.
   at System.Text.RegularExpressions.RegexParser.ScanRegex()
   at System.Text.RegularExpressions.RegexParser.Parse(String re, RegexOptions op)
   at System.Text.RegularExpressions.Regex..ctor(String pattern, RegexOptions options, Boolean useCache)
   at Microsoft.EnterpriseManagement.Mom.DatabaseQueryModules.MembershipSubscription.ValidateRegularExpression(XPathNodeIterator regexPatternNodes)
   at Microsoft.EnterpriseManagement.Mom.DatabaseQueryModules.MembershipSubscription.ValidateAndInitialize(MembershipSubscription subscription
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Best regards
Rune Haugen