Error! OpenCrate

I was making 2 mixed servers and god this error:

Error

System.ArgumentException: Requested value 'OpenCrate' was not found.
at System.Enum.EnumResult.SetFailure(ParseFailureKind failure, String failureMessageID, Object failureMessageFormatArgument)
at System.Enum.TryParseEnum(Type enumType, String value, Boolean ignoreCase, EnumResult& parseResult)
at System.Enum.Parse(Type enumType, String value, Boolean ignoreCase)
at ActivateEffect..ctor(XElement elem) in C:\Users\WeirdassNerd\Desktop\fabiano-swagger-of-doom-master\fabiano-swagger-of-doom-master\db\data\Descriptors.cs:line 329
at Item.<>c.<.ctor>b__1_1(XElement i) in C:\Users\WeirdassNerd\Desktop\fabiano-swagger-of-doom-master\fabiano-swagger-of-doom-master\db\data\Descriptors.cs:line 519
at System.Linq.Enumerable.WhereSelectEnumerableIterat or`2.MoveNext()
at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
at Item..ctor(UInt16 type, XElement elem) in C:\Users\WeirdassNerd\Desktop\fabiano-swagger-of-doom-master\fabiano-swagger-of-doom-master\db\data\Descriptors.cs:line 519

Reply if you know how to fix this.