Solution : https://service.sap.com/sap/support/notes/1296510 (SAP Service marketplace login required)
Key words : 
apar pk63781 rts abend04e rc00c90101 dsnkftch erqual 1006 invalid parent token received, r3ldctl patch #22 db2radm patch #22 db2jcllib patch #5 lib_dbsl patch #212 r3load patch #109                     starting, db2radm patch #11 db2jclib patch #6 lib_dbsl patch #187 r3load patch #xx, xml \ <im_dvd>/im_<platform>/nw04s/webas/ind/control, /os load utilityfast loadsystem copyunicode conversionbatchpipes reason, /usr/sap/jcm/sys/exe/run, apar pk62953 load utility loading rows, r3load patch #28 r3ta patch #4 700, apar pk78713 size files generated, apar pk61759 abend04e rc00c90101
Related Notes : 
       
| 1115173 | DB2-z/OS: Merging packages for the import | 
| 1062976 | DB2-z/OS: fast load with load utility and USS fifos | 
| 1039120 | R3ta and LOCKSIZE on tablespaces/partition | 
| 1021551 | DB2-z/OS System Copy Preserving Partitioning & Table Attr. | 
| 855772 | Distribution Monitor | 
| 784118 | System Copy Java Tools |