Solution : https://service.sap.com/sap/support/notes/486321 (SAP Service marketplace login required)
Key words :
sap web application server, dipgntab -activate -tabl smodiuser, including basis support package #10, log log file, abap syntax errors, reduced upgrade runtime, user <sid>adm, shadow system calculations, shadow system corrections, sapkb61010 support package
Related Notes :
| 438204 | Corrections for the upgrade to Basis 610 |
| 401717 | Additional info on upgrading to SAP Web AS 6.10 (Basis) |