Hi friends, to check the before and after images in change log table in DSO,I changed some records in flat file and run the INFOPACKAGE upto data source......but i got error when i run DTP to get delta records.....i tried by changing full load to delta in DATA SOURCE and also full to delta setting in DTP.....but nothing worked....how to get the delta records...what r the changes in settings either in DATA SOURCE/DTP????