3210987 - Logon Ticket SSO not working due to System PSE missing in SSO2

Symptom

Logon Ticket SSO not working due to message:

The digital signature for this certificate cannot be verified.

Checking in SSO2 transaction of ticket accepting system, the System PSE(SAPSYS.pse) is missing as below:

Certificate List
The certificate list is used to verify the digital signature of the logon ticket.
/usr/sap/SID/D00/sec >>>>SAPSYS.pse is missing here

The correct entry should be as below:
/usr/sap/SID/D00/sec/SAPSYS.pse

Environment

SAP Netweaver ABAP Systems

Product

SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP S/4HANA 1909 ; SAP S/4HANA 2021

Keywords

Logon Ticket, MYSAPSSO2, SSO2, SAPSYS.pse, The certificate list is used to verify the digital signature of the logon ticket , KBA , BC-JAS-SEC-LGN , Logon, SSO , BC-SEC-LGN , Authentication , Problem

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