2425068 - Cannot view the message payload for Proxy Runtime messages

There are many integrated ABAP backend systems in PI system, and you monitor the messages centrally in PI.
In Message Monitor page, when checking the payload of the Proxy Runtime messages, the following error occurred:

>>>>>>>>>>>>>
User or password incorrect.
Cannot show payload; Check logs for details;
>>>>>>>>>>>>>

In defaultTrace.trc, there is the following error stack trace:

>>>>>>>>>>>>>>>>>>>>

#2.0�#2017 02 06 17:10:43:547#+1100#Error#com.sap.tc.lm.itsam.co.ui.xi.msg.ximessagedetailed.XIMessageDetailed#
#BC-NWA-XPI#sap.com/tc~lm~itsam~co~ui~xi~msg~wd#C0000A4E43041AEC0000000100001FA8#5003050000000004#sap.com/tc~lm~itsam~ui~mainframe~wd#
com.sap.tc.lm.itsam.co.ui.xi.msg.ximessagedetailed.XIMessageDetailed#muik#15131##8FF00256EC3211E694870000004C572A#744b5405ec3211e6b8af0000004c572a##0#
Thread[HTTP Worker [@1758833516],5,Dedicated_Application_Thread]#Plain##
User or password incorrect
[EXCEPTION]
com.sap.aii.mdt.api.exceptions.AuthorizationFailedException: User or password incorrect
 at com.sap.aii.mdt.server.integrationengine.IntegrationEngineMonitoringBean.getMessageBytes(IntegrationEngineMonitoringBean.java:1831)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at com.sap.engine.services.ejb3.runtime.impl.RequestInvocationContext.proceedFinal(RequestInvocationContext.java:47)
 at com.sap.engine.services.ejb3.runtime.impl.AbstractInvocationContext.proceed(AbstractInvocationContext.java:166)
 ... ...
at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:328)
Caused by: com.sap.mw.jco.JCO$Exception: (103) RFC_ERROR_LOGON_FAILURE: Issuer of SSO ticket is not authorized
 at com.sap.mw.jco.MiddlewareJRfc.generateJCoException(MiddlewareJRfc.java:557)
 at com.sap.mw.jco.MiddlewareJRfc$Client.connect(MiddlewareJRfc.java:1103)
 at com.sap.mw.jco.JCO$Client.connect(JCO.java:3676)
 at com.sap.aii.mdt.server.integrationengine.IntegrationEngineMonitoringBean.getMessageBytes(IntegrationEngineMonitoringBean.java:1821)
 ... 95 more
Caused by: RfcException: [null]
    message: Issuer of SSO ticket is not authorized
    Return code: RFC_SYS_EXCEPTION(3)
    error group: 103
    key: RFC_ERROR_LOGON_FAILURE

 at com.sap.mw.rfc.api.RfcApi.RfcOpen(RfcApi.java:647)
 at com.sap.mw.jco.MiddlewareJRfc$Client.connect(MiddlewareJRfc.java:1095)
 ... 97 more

>>>>>>>>>>>>>>>>>>>>>>>>>

• SAP NetWeaver 7.3
• SAP enhancement package 1 for SAP NetWeaver 7.3
• SAP NetWeaver 7.4
• SAP NetWeaver 7.5

SSO, proxy runtime, message monitor,  RFC_ERROR_LOGON_FAILURE: Issuer of SSO ticket is not authorized, PI, Message Monitoring, PIMON, PI MON, PO , KBA , BC-NWA-XPI , Process Integration (PI) Monitoring , Problem