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Upgrading from SAP ECC5.0 to SAP ECC6.0

We are upgrading from SAP ECC 5.0 to SAP ECC 6.0, does it affect existing ABAP program and what type of problem can occur in programs, BDC , Script (ie all ABAP objects ) after upgradation.

I want to know is that what will be the ABAP issues that can come after upgradation.

The answer by Sunny

In upgrade always ABAP programs and reports are effecting. In upgrade on one phase you have to perform SPDD where you will get all standard objects that you have modified earlier and you have to adjust them accordingly.

Then after upgrade a phase will come SPAU where you have to adjust standard programs that you have been modified and you have to adjust them accordingly.

After upgrade it is always recommended to have a through SAP functional testing as lot of changes come from fuctional side as well.

For more information, you can check below guide:

https://websmp210.sap-ag.de/~sapidb/011000358700005395932005E

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