Solution : https://service.sap.com/sap/support/notes/139514 (SAP Service marketplace login required)
Key words :
component 'bc-dwb-dic-ac', operation dd_sub_rout_pool failede- table rfmhn, additional key words icnv, table cluster rfmhn, upgrade phases 'prun_radiswtc', st22 oder sm21, upgrade phase 'prun_radiswtc', <logname>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~2eeiu597 table, required kernel patch, required patch level
Related Notes :
| 179373 | Additional info for upgrade to Rel.4.6B |