Integration Builder link not working in SAP PO 7.4 Java stack

Hi Experts,

        When we try open integration builder, System landscape directory and configuration monitoring home links are not working in PI Directory

(Hostname:50000/dir/start/index.jsp).

Kindly check the below log error,

com.sap.engine.services.jmx.exception.JmxSecurityException: Caller Guest not authorized, required permission missing (javax.management.MBeanPermission -\#Host[:SAP_J2EECluster="",j2eeType=SAP_J2EEInstance,name=local] getAttribute)

  at com.sap.engine.services.jmx.auth.UmeAuthorization.checkMBeanPermission(UmeAuthorization.java:106)

We are using super administrator user ID only but here it is saying guest user. If any solution please let me know.... It is very urgent...

Thank you.