NET type System.Guid cannot be mapped to a BsonValue

[AlonKNervio]

I get this error:
System.ArgumentException
HResult=0x80070057
Message=.NET type System.Guid cannot be mapped to a BsonValue.
Source=MongoDB.Bson
StackTrace:
at MongoDB.Bson.BsonTypeMapper.MapToBsonValue(Object value)

thrown from
internal static BsonValue? ToBsonValue(this LogEventPropertyValue? value)...

return BsonValue.Create(scalarValue.Value); //exception