Solution : https://service.sap.com/sap/support/notes/709721 (SAP Service marketplace login required)
Key words :
terms iis filter, symptom nullpointerexception, solution problem, 0 sp2 patch 4, latest hotfix, navigationserviceeventshelper, navigationeventshelperservice, getparameter
Related Notes :
| 685364 | Central Note - Installing Patch 3 for EP 6.0 SP2 |