Solution : https://service.sap.com/sap/support/notes/1129891 (SAP Service marketplace login required)
Key words : 
terms sap netweaver mobile 7, message store/log tables, message store tables, data orchestration engine, reorg job run, prerequisites incomplete cleanup, log tables, incomplete cleanup, reorg reason, symptom incase
Related Notes : 
       
| 1084508 | NetWeaver Mobile 7.10 Composite Note for SP03 | 
| 1073391 | NetWeaver Mobile 7.10 Composite Note for SP02 |