Solution : https://service.sap.com/sap/support/notes/1633585 (SAP Service marketplace login required)
Key words : 
msg=[ibm][cli driver]cli0125e  function sequence error, id<=1999in function nextscalarfetch, sqlstate=hy010   select count, sql_error sqlstate= hy010, id subrange requested, contact customer support, working thread failed, db2 zos version 9, operation fails tonotice, block fetch call
Related Notes : 
       
| 1654485 | Archive fails in DB2 when operating on a multi-row select | 
| 1635783 | SAP Release Note for MDM 7.1 SP08 Patch01 | 
| 1633702 | SAP Release Note for MDM 7.1 SP07 Patch20 |