1988642 - Warning 'caller not authorized' in Step 'Single Sign On Setup' in SAP Solution Manager 7.1

the following warning occurs in substep 'Single Sign On Setup' in managed system configuration:

SSO setup failed : a problem occured while attempting to add login  modules for ticket authentication
SSO setup failed : error while updating login modules : Caller not authorized.; nested exception is:
java.lang.SecurityException: com.sap.engine.services.security.exceptions.BaseSecurityException:
Caller not authorized.

or

SSO setup failed : a problem occured while attempting to add login modules for ticket authentication.
Make sure the JAVA user provided in step 'Enter System Parameters' belongs to 'administrators' role in Visual Admin tool.

SAP Solution Manager 7.1

KBA , SV-SMG-DIA-SRV-AGT , Agent Framework , Problem