Solution : https://service.sap.com/sap/support/notes/414180 (SAP Service marketplace login required)
Key words :
login information, single sign, cookie reason, solution upgrade, 46dc4 patch 136, ~usertimeout variable, ~usertimeout, ~usertimeout 0, invalitation, prerequisites
Related Notes :
441182 | ESS-specific Service parameter settings for the ITS |