SAP Knowledge Base Article - Preview

1847828 - Error in SUM upgrade Phase PREP_CONFIGURATION/ASKSWITCHES

Symptom

While performing an upgrade on the Software Update Manager (SUM) tool, SUM asks for system/kernel adaptions as seen in the following:

ASKSWITCHES.LOG:

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Error message:
Severe error(s) occured in phase PREP_CONFIGURATION/ASKSWITCHES!
Last error code set: Internal error: Unable to decide about kernel
structure conversion via stack
file '<download_directory>/<stack_xml_name>.xml'
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Environment

SAP system upgrade using the SUM tool.

Product

SAP NetWeaver all versions

Keywords

ASKSWITCHES, PREP_CONFIGURATION/ASKSWITCHES, kernel, stack.xml, upgrade error, PREP_CONFIGURATION, SUM upgrade. , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem

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