Solution : https://service.sap.com/sap/support/notes/947115 (SAP Service marketplace login required)
Key words :
<portal_home>\irj\servlet_jsp\irj\root\web-inf\deployment\pcd andcopy, light top-level navigation, light detail navigation, text element found, missing translation entries, prerequisites - sap netweaver 7, version sap netweaver 7, - sap netweaver 7, light portal, theelement labels
Related Notes :
| 946470 | Known issues with Portal Platform SP17 |
| 912846 | Known Issues with Portal Platform in SAP NW04 SP16 |
| 910998 | Known Issues with Portal Platform in SAP NW04 SP15 |