Solution : https://service.sap.com/sap/support/notes/632979 (SAP Service marketplace login required)
Key words :
solution install hot fix collection 3, page builder passing post parameters, post parameters includes, ep 60 sp0 patch 1, submitting username, portal loads, login information
Related Notes :
627385 | EP 6.0 SP0 Patch 1 Hotfixes |