Solution : https://service.sap.com/sap/support/notes/949479 (SAP Service marketplace login required)
Key words : 
attached correction instruction, update rules reason, update rules, running nw04s, repartitioning job, step post_act, error message, terms repartitioning, changed cube, program error
Related Notes : 
       
| 1008833 | Supplementary SAP Note about repartitioning |