Hi,
the error occurs with all tables, and as it seems independently of the data type (I tried a very simple table with just 2 character fields).
The log-files are pretty long, here are 3 of the error lines:
DataMashup.Trace Error: 24579 : {"Start":"2016-08-01T06:54:36.0505799Z","Action":"Engine/IO/Odbc/Connection/GetInfo32","InfoType":"SQL_AGGREGATE_FUNCTIONS","Exception":"Exception:\r\nExceptionType: Microsoft.Mashup.Engine1.Library.Odbc.Interop.OdbcException, Microsoft.MashupEngine, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35\r\nMessage: ERROR [HYC00] [Oracle][ODBC]Optional feature not implemented.\r\nStackTrace:\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcCachingService.OdbcCachingConnection.OdbcFunctionCaching.GetResult[Output](UInt16 input, Func`3 function)\r\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcCachingService.OdbcCachingConnection.OdbcCachingSqlGetInfo.GetInfoInt32(SQL_INFO infoType)\r\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcCachingService.OdbcCachingConnection.GetInfoInt32(SQL_INFO infoType)\r\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcTracingService.OdbcTracingConnection.<>c__DisplayClass7.<GetInfoInt32>b__6(IHostTrace trace)\r\n at Microsoft.Mashup.Engine1.Library.Common.Tracer.Trace[T](String method, Func`2 func)\r\n\r\n\r\n","ProductVersion":"2.36.4434.381 (PBIDesktop)","ActivityId":"d334675a-9956-42dd-a4ae-b3d2c2c078a3","Process":"Microsoft.Mashup.Container.NetFX40","Pid":4468,"Tid":1,"Duration":"00:00:00.0019135"}
DataMashup.Trace Error: 24579 : {"Start":"2016-08-01T06:54:36.0532620Z","Action":"Engine/IO/Odbc/Connection/GetInfo32","InfoType":"SQL_CONVERT_GUID","Exception":"Exception:\r\nExceptionType: Microsoft.Mashup.Engine1.Library.Odbc.Interop.OdbcException, Microsoft.MashupEngine, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35\r\nMessage: ERROR [HYC00] [Oracle][ODBC]Optional feature not implemented.\r\nStackTrace:\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcCachingService.OdbcCachingConnection.OdbcFunctionCaching.GetResult[Output](UInt16 input, Func`3 function)\r\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcCachingService.OdbcCachingConnection.OdbcCachingSqlGetInfo.GetInfoInt32(SQL_INFO infoType)\r\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcCachingService.OdbcCachingConnection.GetInfoInt32(SQL_INFO infoType)\r\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcTracingService.OdbcTracingConnection.<>c__DisplayClass7.<GetInfoInt32>b__6(IHostTrace trace)\r\n at Microsoft.Mashup.Engine1.Library.Common.Tracer.Trace[T](String method, Func`2 func)\r\n\r\n\r\n","ProductVersion":"2.36.4434.381 (PBIDesktop)","ActivityId":"d334675a-9956-42dd-a4ae-b3d2c2c078a3","Process":"Microsoft.Mashup.Container.NetFX40","Pid":4468,"Tid":1,"Duration":"00:00:00.0001716"}
DataMashup.Trace Error: 24579 : {"Start":"2016-08-01T06:54:34.7610881Z","Action":"Engine/IO/Odbc/Connection/GetInfo32","InfoType":"SQL_AGGREGATE_FUNCTIONS","Exception":"Exception:\r\nExceptionType: Microsoft.Mashup.Engine1.Library.Odbc.Interop.OdbcException, Microsoft.MashupEngine, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35\r\nMessage: ERROR [HYC00] [Oracle][ODBC]Optional feature not implemented.\r\nStackTrace:\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcCachingService.OdbcCachingConnection.OdbcFunctionCaching.GetResult[Output](UInt16 input, Func`3 function)\r\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcCachingService.OdbcCachingConnection.OdbcCachingSqlGetInfo.GetInfoInt32(SQL_INFO infoType)\r\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcCachingService.OdbcCachingConnection.GetInfoInt32(SQL_INFO infoType)\r\n at Microsoft.Mashup.Engine1.Library.Odbc.OdbcTracingService.OdbcTracingConnection.<>c__DisplayClass7.<GetInfoInt32>b__6(IHostTrace trace)\r\n at Microsoft.Mashup