3347067 - SAP HANA Cockpit not available after restart

The Cockpit has been updated some time ago. But after a system restart or server reboot, the HANA Cockpit cannot be open, it shows blank page.
Command 'xs mtas' shows '?' for Cockpit component.

> xs mtas

Getting multi-target apps in org "<ORG>" / space "<SPACE>" as XSA_ADMIN...
Found multi-target apps:

mta id                                            version
-------------------------------------------------------------
......
com.sap.hana.cockpit                              ?
......

Checked the hdblcm upgrade logs, found the previous upgrade failed, and the latest upgrade finished without error but didn't update the files.

Previous upgrade failed:

<timestamp> - INFO: Summary of critical errors
<timestamp> - ERR :   Update of SAP HANA Cockpit components failed.
<timestamp> - ERR :     Installation of XS Advanced components failed
<timestamp> - ERR :       Update of SAP HANA Cockpit failed

The latest upgrade finished without error:

<timestamp> - INFO: Execution Summary:
<timestamp> - INFO: 
<timestamp> - INFO: Step Name                         | Runtime
<timestamp> - INFO: --------------------------------------------
<timestamp> - INFO: Starting instances                | 00:00:00
<timestamp> - INFO: Updating SAP HANA Cockpit Stack   | n/a
<timestamp> - INFO: Updating Component List           | 00:00:00
<timestamp> - INFO: Installing XS Advanced Components | 00:00:00
<timestamp> - INFO:                                   | 
<timestamp> - INFO: Total execution time              | 00:00:00
<timestamp> - INFO: 
<timestamp> - INFO: SAP HANA Cockpit components updated

• SAP HANA Platform Edition 2.0
• SAP HANA Cockpit 2.0

check_version, hdblcm, unavailable, inaccessible, com.sap.hana.cockpit                              ? , KBA , HAN-CPT-CPT2 , SAP HANA Cockpit version 2 - based on XSA , Problem