Solution : https://service.sap.com/sap/support/notes/1522352 (SAP Service marketplace login required)
Key words :
bi hierarchy maintenance, affected bi hierarchies, existing text nodes, incomplete text nodes, text nodes, short text, selection dialog, data stream, terms get_hierarchy_struct, e_t_mhiernode reason
Related Notes :
| 1427459 | Hierarchies: Subtree update does not change all node texts |