3793682 - SUM error in phase PREP_EXTRACT/PREIMP : first character of SAP-Release is not a digit

Symptom

While upgrading a SAP NetWeaver AS JAVA system using Software Update Manager (SUM), the tool halts in phase PREP_EXTRACT/PREIMP with below log in PREIMP.LOG:

2EETW000 I have some problems during TADIR access.
4 ETW000 Connected to DBMS = SYBASE --- --- SYSTEM = '???'.
3WETW000 The HEAD entry in TADIR is missing.
1AETW000 ERROR: first character of SAP-Release is not a digit, but '
2EETW000 Please contact the SAP support.

Environment

SAP NetWeaver AS Java 7.5
Software Update Manager (SUM)

Product

SAP NetWeaver 7.5 ; software logistics toolset all versions

Keywords

SUM, PREP_EXTRACT, PREIMP, PREIMP.ELG, TADIR, HEAD entry missing, SAP-Release identifier, Java-only stack, Web Dynpro runtime, NWA not accessible, R3trans, importtruncated, Sybase, host agent, maintenance planner, NetWeaver 7.5, JAVA, first character of SAP-Release is not a digit, The HEAD entry in TADIR is missing, I have some problems during TADIR access , KBA , BC-UPG-TLS-TLJ , Upgrade tools for Java , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.