3788465 - HDBMONITOR execution failed in SUM phase MAIN_POSTCLEAN/DBSTAT_FINAL - Fatal Error reported in UPGANA.XML

The below errors occur in SUM phase MAIN_POSTCLEAN/DBSTAT_FINAL during Conversion to S/4HANA using DMO with System Move using SUM 2.0.26：
4EETQ399 The tool 'java' returned an unexpected return code '1'!
1EETQ399 Last generated error message is: HDBMONITOR execution failed!
1EETQ204 Upgrade phase "DBSTAT_FINAL" terminated with severe errors ("20260728134804").

In HDBMONITOR.LOG, the error messages are as follows:
Tue Jul 28 13:48:04 GMT+09:00 2026 | com.sap.hdb.core.main.cmd.HdbCmdMain | Name of HdbCmdClazz: class com.sap.hdb.sl.lib.utils.cmd.clazz.HDBMonitor
[Fatal Error] UPGANA.XML:1216:18: Invalid byte 2 of 3-byte UTF-8 sequence.
Tue Jul 28 13:48:04 GMT+09:00 2026 | com.sap.hdb.core.main.cmd.HdbCmdMain | Error during execution of HdbCmdClazz section!
Tue Jul 28 13:48:04 GMT+09:00 2026 | com.sap.hdb.core.main.cmd.HdbCmdMain | Could not sax file /work/SUM/abap/doc/analysis/UPGANA.XML

The UPGANA.XML file may contain some gibberish or non-standard characters, for example:
<phases group="ㅠ䉌啚" module="MAIN_SHDCRE" name="">

SUM 2.0.26

Conversion to S/4HANA using DMO with System Move

HDBMONITOR execution failed, MAIN_POSTCLEAN, DBSTAT_FINAL, SUM, DMO with System Move, UPGANA.XML, invalid UTF-8 byte, xml parsing error, java return code 1, could not sax file, ABAP upgrade, HANA, postclean, dbstat, upgrade phase error , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem