Solution : https://service.sap.com/sap/support/notes/1040369 (SAP Service marketplace login required)
Key words : 
folder documentation\manual\english\er-igd, file \documentation\guide\er-igd-ovw, required support package/patch levels, open text portal kc, install livelink® ecm-suite, 00 - sap note 822380 sap rel, 40 - sap note 672652 sap rel, open text portal, livelink ® ecm-suite, livelink ecm-suite
Related Notes : 
       
| 1267724 | Open Text Archiving & Document Access for SAP Inst 9.6.2 | 
| 822380 | Problems w/ add-on inst/upgrade to SAP NW 7.0 AS ABAP | 
| 672652 | Known problems in transaction SAINT in Basis Release 6.40 | 
| 484219 | Known problems in transaction SAINT in Basis Release 6.20 |