Solution : https://service.sap.com/sap/support/notes/871846 (SAP Service marketplace login required)
Key words : 
applied earlier / previous versions, prerequisites earlier / previous versions, data loss starting, note 865198note 865478note 864677, note assistant, symptom customers, support packages, oracle database, terms sdb1fora, support package
Related Notes : 
       
| 865478 | Lengthy status display for a result area (6xx) | 
| 864677 | Lengthy status display for a result area (46x) | 
| 782140 | OCS: Known problems with Support Packages in Basis Rel. 6.20 | 
| 672651 | OCS: Known problems with Support Packages in Basis Rel.6.40 |