2675938 - 'Custom event postInstall failed' error during XSA Upgrade

When upgrading the HANA Database version, during the XSA installation the following errors show up

hdblcm.log

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- INFO: Summary of critical errors
- ERR : Installation failed
- ERR : Update of SAP HANA XS Advanced Runtime failed
- INFO: Installation failed
- INFO: error installing
- INFO: Cannot install
- INFO: Custom event postInstall failed

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- INFO: Output line 120: ERROR: Fatal error occurred during installation
- INFO: Output line 121: com.sap.xs2rt.installation.util.InstallationException: FAILED to update HANA Broker grants
- INFO: Output line 122: at com.sap.xs2rt.installation.impl.hana.content.InitializeHanaBroker.update(InitializeHanaBroker.java:408)
- INFO: Output line 123: at com.sap.xs2rt.installation.steps.InstallationStep.updateAndMeasure(InstallationStep.java:169)
- INFO: Output line 124: at com.sap.xs2rt.installation.procedures.InstallationProcedure.executeStep(InstallationProcedure.java:124)
- INFO: Output line 125: at com.sap.xs2rt.installation.procedures.InstallationProcedure.perform(InstallationProcedure.java:216)
- INFO: Output line 126: at com.sap.xs2rt.installation.impl.hana.content.HanaContentInstallUpdateProcedure.main(HanaContentInstallUpdateProcedure.java:147)
- INFO: Output line 127: Caused by: com.sap.xs2rt.core.rest.client.RestException: Error during adding secure store priviledges to SYS_XS_HANA_BROKER: REST request PATCH to url 'https://<host_name>:30032/hdi-broker/admin/database_configuration/5b0416a3-589f-3d6c-e100-00000a448225?accepts_incomplete=true' had response code 404 (Resource was not found) with error message: '<not set>'.
- INFO: Output line 128: at com.sap.xs2rt.core.installation.utils.HanaBrokerHelpers.updateHdiBrokerGrantsOfXsaDatabases(HanaBrokerHelpers.java:119)
- INFO: Output line 129: at com.sap.xs2rt.installation.impl.hana.content.InitializeHanaBroker.update(InitializeHanaBroker.java:365)
- INFO: Output line 130: ... 4 more
- INFO: Output line 131: Caused by: com.sap.xs2rt.core.rest.client.RestResponseException: REST request PATCH to url 'https://<host_name>:30032/hdi-broker/admin/database_configuration/5b0416a3-589f-3d6c-e100-00000a448225?accepts_incomplete=true' had response code 404 (Resource was not found) with error message: '<not set>'.
- INFO: Output line 132: at com.sap.xs2rt.core.generated.hdibroker.admin.rest.resource.client.AdminClient.patchAdminDatabaseConfigurationByDatabaseId(AdminClient.java:298)
- INFO: Output line 133: at com.sap.xs2rt.core.installation.utils.HanaBrokerHelpers.patchAdminDatabaseConfiguration(HanaBrokerHelpers.java:420)
- INFO: Output line 134: at com.sap.xs2rt.core.installation.utils.HanaBrokerHelpers.updateHdiBrokerGrantsOfDatabase(HanaBrokerHelpers.java:206)
- INFO: Output line 135: at com.sap.xs2rt.core.installation.utils.HanaBrokerHelpers.updateHdiBrokerGrantsOfXsaDatabases(HanaBrokerHelpers.java:116)
- INFO: Output line 136: ... 5 more
- INFO: Output line 137: ##########
- INFO: Program terminated with exit code 1
- INFO: /hana/shared/SE2/xs/installation-scripts/installation/update-content call failed

• SAP HANA Extended Application Services (XSA)
• SAP HANA Platform Edition 2.0

 Cannot install, Custom event postInstall failed, FAILED to update HANA Broker grants, Fatal error occurred during installation, XSA, Install, Upgrade , KBA , BC-XS-RT , XS Advanced Runtime / XS Controller , HAN-AS-XS , SAP HANA Extended Application Services , Problem