Solution : https://service.sap.com/sap/support/notes/949978 (SAP Service marketplace login required)
Key words : 
upgrade directory <upgrade directory>\data\archives, unresolved dependencies found, customer-modified sdas, deploy sap versions, dev system reason, deploy_online phase fails, nwdi development system, sap component version, terms upgrade, transport directory
Related Notes : 
       
| 981804 | Add. info. on upgrading to SAP SRM LAC 6.0 | 
| 970039 | Add. info. on upgrading to SAP NW 7.0 SR2 Java | 
| 913972 | Add. info. on upgrading to SAP NW 7.0 SR1 Java |