OEM 13.5 New Install Patch to R10 error 231

Following the directions for README for 34611813, installing the RU in Traditional Patching, I encounter code 231, although no specific errors are shown. Is this really an error, and if so what do I need to do to correct it?

[/data/depot/oracle/OEM/linux64/13.5/34611813]$ omspatcher apply -analyze -property_file /u01/app/em/middleware13_5/property_file
OMSPatcher Automation Tool
Copyright (c) 2017, Oracle Corporation. All rights reserved.
OMSPatcher version : 13.9.5.8.0
OUI version       : 13.9.4.0.0
Running from      : /u01/app/em/middleware13_5
Log file location : /u01/app/em/middleware13_5/cfgtoollogs/omspatcher/opatch2022-11-10_08-50-08AM_1.log

OMSPatcher log file: /u01/app/em/middleware13_5/cfgtoollogs/omspatcher/34611813/omspatcher_2022-11-10_08-50-10AM_analyze.log

Enter SYS Password :
Checking if current repository database is a supported version
Current repository database version is supported
Log file location: /u01/app/em/middleware13_5/cfgtoollogs/omspatcher/34611813/omspatcher_2022-11-10_08-50-10AM_analyze.log

Recommended actions: Please verify the error details and try again.

OMSPatcher failed with error code 231

[/data/depot/oracle/OEM/linux64/13.5/34611813]$ more /u01/app/em/middleware13_5/cfgtoollogs/omspatcher/34611813/omspatcher_2022-11-10_08-50-10AM_analyze.log

[Nov 10, 2022 8:50:10 AM]   OMSPatcher has successfully verified min_patching_tool_version check
[Nov 10, 2022 8:51:11 AM]   Printing DB plugins.....
[Nov 10, 2022 8:51:11 AM]   CurrentDeployPlugin [pluginID=oracle.sysman.cfw, version=13.5.1.0.0, plugin_Name=Oracle Cloud Framework, destination_type=OMS, content_Type=Plugin, plugin_Ho
me=/u01/app/em/middleware13_5/plugins/oracle.sysman.cfw.oms.plugin_13.5.1.0.0, rev_Version=0]
[Nov 10, 2022 8:51:11 AM]   CurrentDeployPlugin [pluginID=oracle.sysman.db, version=13.5.1.0.0, plugin_Name=Oracle Database, destination_type=OMS, content_Type=Plugin,