Solution : https://service.sap.com/sap/support/notes/86860 (SAP Service marketplace login required)
Key words : 
databases2  adabas d3  informix4  ms sql server5  oracle6  db2 common server7  db2, tpl  msgid=ri_gist_dbgetdatabasesize_ind_ind  run_as_group=sapsys  run_as_user=sqd@lower_sapsystemname@  step_env=db_env_sqdsid 2, load file`/qopt/cd51009508/tools/os400/as400/v4r5m0/infoapar, small05/jun/98   1    skip report load step04/jun/98   1    index length limit, tp addtobuffer sapkvss4ba <sid> tp addtobuffer sapkvss4bb <sid>, tp import sapkvss4ba <sid> tp import sapkvss4bb <sid> 4, [dbgetdatabasesize_ind_ada]  class=cgetdatabasesize  filename=@export_dir1@/db/@migrate_to_db@/dbsize, <cd-dir>/tools/unix/aix/db2/trans/tr40afcs, contents      ================= date    section  description-----------------------------------------------------------------------01/sep/03   5     special procedure, 4  run_as_group=sapsys  run_as_user=@lower_sapsystemname@admremark
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