Access Manager Error: MBean operation access denied. MBean: com.oracle.igf:type=Xml,name=IDSConfig Operation: listAllIdentityDirectoryService() Detail: Access denied.

Problem: Error while accessing Access Manager- > User Identity Store:

Messages for this page are listed below.
Error
MBean operation access denied. MBean: com.oracle.igf:type=Xml,name=IDSConfig Operation: listAllIdentityDirectoryService() Detail: Access denied. Required roles: Admin, Operator, Monitor, executing subject: principals=[oamadmin, OAMAdmins, OAMAdministrators, wlsadmingroup, OAMSystemAdminGroup]
Error
javax.management.RuntimeMBeanException: java.lang.SecurityException: MBean attribute access denied. MBean: com.oracle:name=ESSOIDSRepository,context=ids,type=OVD.AdaptersConfig,OVD=AdaptersConfig Getter for attribute Id Detail: Access denied. Required roles: Admin, Operator, Monitor, executing subject: principals=[oamadmin, OAMAdmins, OAMAdministrators, wlsadmingroup, OAMSystemAdminGroup]

Environment: OAM and OIM integrated and OID as repository

Cause: 

1. Administrators , Operator and Monitor groups missing in OID
2. OAM Admin User not a member of Administrators , Operator and Monitor in OID

Solution: 

Create Administrators , Operator and Monitor groups in OID and make OAM Admin User member of these groups.