Solution : https://service.sap.com/sap/support/notes/697038 (SAP Service marketplace login required)
Key words :
launch /irj/servlet/prt/portal/prtroot/, open folder portal_content/themes 3, select affected template theme 4, sap template theme, theme editor leads, theme editor reason, fatal exception caused, symptom clicking, empty page, closed connection'
Related Notes :
| 589013 | EP 6.0: Central Note for Themes and Theme Editor |