Error message with a published report

Hi Experts

i am getting the following error message and all the columns are the correct profile (ie. text is text and number is 123 and no errors in the column) in the data model... can see how i can get around this. Happens when i try to manually refresh the PBIX in the service.

• Data source error{"error":{"code":"DM_GWPipeline_Gateway_MashupDataAccessError","pbi.error":{"code":"DM_GWPipeline_Gateway_MashupDataAccessError","parameters":{},"details":[{"code":"DM_ErrorDetailNameCode_UnderlyingErrorCode","detail":{"type":1,"value":"-2147467259"}},{"code":"DM_ErrorDetailNameCode_UnderlyingErrorMessage","detail":{"type":1,"value":"We reached the end of the buffer."}},{"code":"DM_ErrorDetailNameCode_UnderlyingHResult","detail":{"type":1,"value":"-2147467259"}},{"code":"Microsoft.Data.Mashup.ValueError.Reason","detail":{"type":1,"value":"DataFormat.Error"}}],"exceptionCulprit":1}}} Table: APPLES_to_KEYWORD (BRIDGE).