Solution : https://service.sap.com/sap/support/notes/584416 (SAP Service marketplace login required)
Key words : 
sysdba'sql> alter database add logfile group <groupnumber>    '<path, sysdba'sql> create rollback segment prs_a01 storage, tablespace-size >=25 gb< 100 000 000 create >=  75 rollback segments, tablespace-size >=30 gb< 200 000 000 create >= 100 rollback segments, tablespace-size >=40 gb< 300 000 000 create >= 150 rollback segments, tablespace-size >=60 gb> 300 000 000 create >= 200 rollback segments, sysdba'sql> select distinct tabkat, sysdba' sql> update igora set, index <indexname>goto se14 search, goto se16 -> table rsmdodsconvstate delete
Related Notes : 
       
| 589851 | Guidelines for the ALPHA conversion (Performance) | 
| 559524 | Alpha: Parallel processing of the ODS converter | 
| 447341 | values for ALPHA conversion routine | 
| 84348 | Oracle deadlocks, ORA-00060 |