Solution : https://service.sap.com/sap/support/notes/441661 (SAP Service marketplace login required)
Key words : 
additional key words mobile engine, [mobile engine root directory]/wwwroot/, mobile applications shop, synchronization procedure exists, prerequisites solution catalogs, mobile engine, mobile engines, standard system, plant maintenance, catalog data
Related Notes : 
       
| 450366 | SAPKU30007: Support Package 7 for EBP 3.0/CRM 3.0 | 
| 442332 | SAPKU30006: Support Package 6 for EBP 3.0/CRM 3.0 | 
| 437284 | SAPKU30005: Support Package 5 for EBP 3.0/CRM 3.0 |