Solution : https://service.sap.com/sap/support/notes/976389 (SAP Service marketplace login required)
Key words : 
symptom message cpf32a6, cross-reference notification 1190, cross-reference file, r3inlpgm patch level 5, rclstg command mentioned, cpf32a6 error message, jobs called dltoldpkgs, sapstrsrv job calls, dltoldpkgs program, sapstart job
Related Notes : 
       
| 826305 | iSeries: Executing RCLSTG in the background as of V5R3M0 | 
| 71258 | AS/400: Cross-ref. files defective? RCLSTG *DBXREF |