Debugging DataSources in SAP ECC
![Extractor checker S-API window. In the Execution Mode section, the Debug Mode checkbox is selected. Extractor checker S-API window. In the Execution Mode section, the Debug Mode checkbox is selected.](/service/media/topic/e4f1ca55-57a5-4fb2-865b-e416ef413c5f/BW450_22_en-US_media/BW450_22_en-US_images/RSA3_DebugMode.png)
You can debug DataSources by using the Debug Mode in the Extractor Checker (RSA3).
![ABAB Debugger screen. Use ABAP debugging to break down the program into its atomic level. ABAB Debugger screen. Use ABAP debugging to break down the program into its atomic level.](/service/media/topic/e4f1ca55-57a5-4fb2-865b-e416ef413c5f/BW450_22_en-US_media/BW450_22_en-US_images/Debugging_DataSources_in_ECC_002.png)
If you need to use the ABAP debugger or you just want to see the underlying ABAP code, you can switch to Debug Mode. You use ABAP debugging to break down the program into its atomic level, basically one record at a time.
For more information, go to https://wiki.scn.sap.com/wiki/display/ABAP/ABAP+Debugger.