Hi,
Have you seen this blog...
http://scn.sap.com/thread/610276
can you try to unlock the shadow system and make the adjustments and add the field.
Key field DD30L-AS4LOCAL missing
Key field DD31S-AS4LOCAL missing
| 1901463 - How to unlock the SAP system to perform correction(s) during an upgrade. |
If you cant proceed further you need to raise message with sap and see what they say.
Thanks
Rishi Abrol