Solution : https://service.sap.com/sap/support/notes/672501 (SAP Service marketplace login required)
Key words : 
previously released generally, ibm iseries database, si10519 release v5r1, original fact tables, release v5r1, fact tables, release v5r2, database error, shadow tables, renamed tables
Related Notes : 
       
| 63037 | AS/400: Deleting SQL Packages |