I got an error when connect to rwb (runtime workbanch) in SAP PI. I could resolve after SAP PI role groups added to user in NWA > Configuration > Identity Management > Select User and Modify.
Error
You are not authorized to view the requested resource.
Details: No details available
Solution
You have to assign groups to user.
SAP PI NWA > Configuration > Identity Management > Select User and Modify.
Groups:
SAP_XI_MONITOR
SAP_SLD_GUEST
SAP_XI_BPE_MONITOR_ABAP
SAP_XI_DEMOAPP
SAP_XI_MONITOR_ABAP
SAP_XI_MONITOR_J2EE