Solution : https://service.sap.com/sap/support/notes/532717 (SAP Service marketplace login required)
Key words : 
program 'rs_transtru_activate_all' processes transfer rules incompletely, mass activation program 'rs_transtru_activate_all' terminates, affected transfer rules manually, program error -- solution depending, 'generate export datasource' function, abap runtime error 'message_type_x', relevant ddic table remains, partially active psa tables, 0b            import support package 26, 1c            import support package 18
Related Notes : 
       
| 542872 | DDIC name check for transfer rules/InfoSource | 
| 540929 | Change log for export DataSource part. active in BW3.0A/3.0B | 
| 533746 | Name determination for generated structures is incorrect | 
| 493973 | SAPBWNews BW 3.0B Support Package 03 | 
| 456568 | SAPBWNews BW 2.1C Support Package 17 | 
| 456554 | SAPBWNews BW 2.0B Support Package 25 |