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Creating an ADO.net VerticaParameter throws an exception when the data type is set
Creating an ADO.net VerticaParameter throws an exception. You can recreate it with this code: var param = new VerticaParameter(); param.DbType = DbType.Int32; //exception on this line or this code var param = new VerticaParameter("id", 1); And this is the stack trace: System.NullReferenceException: Object reference not set to an instance of an object at Vertica.Data.Internal.ADO.Net.SParameter.SetupNewTypeMetadata (Int32 newProviderType, Boolean isSigned, Boolean throwOnFailure) [0x00000] in :0 at Vertica.Data.Internal.ADO.Net.SParameter.set_DbType (DbType value) [0x00000] in :0