2963020 - Error in SUM phase ADJUSTCHK_EHPI: Structure SUI_TM_MM_APPAT does not exist

While performing an upgrade, Software Update Manager (SUM) stops in phase MAIN_SHDCRE/SUBMOD_SHDDBCLONE/ADJUSTCHK_EHPI:

ADJUSTCK.LOG
Current Phase: MAIN_SHDCRE/SUBMOD_SHDDBCLONE/ADJUSTCHK_EHPI
..

4 ETQ268 Check file "JOB_19255000.DMP" for the job log, SYSLOG, and short dump or use transactions SM37, SM21, and ST22
2EETQ262 Batchjob "RSUMOD01" aborted
4 ETQ010 Date & Time: 20200826193129
1EETQ399 Last error code set is: Batchjob 'RSUMOD01' with id '19255000' is aborted
1EETQ203 Upgrade phase "ADJUSTCHK_EHPI" aborted with errors ("20200826193129")

SM37:

---------------------------------------

JOB NAME USER STATUS
RSUMOD01 DDIC Canceled

Job log
26.08.2020 14:43:53 Job RSUMOD01 14435300 started
26.08.2020 14:43:53 Step 001 started (program RSUMOD01, variant SAP_MOD_EHP, user ID DDIC)
26.08.2020 14:48:02 Internal error: Structure SUI_TM_MM_APPAT does not exist
26.08.2020 14:48:02 Job canceled
-------------------------------------

SAP S/4HANA

 SUI_TM_MM_APPAT , SUI_TM_MM_APPATT , VERS_TABS, ADJUSTCHK_EHPI , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , CA-FLP-ABA , SAP Fiori Launchpad ABAP Services , Problem