Solution : https://service.sap.com/sap/support/notes/382528 (SAP Service marketplace login required)
Key words :
root object type, cost center group, hierarchy framework, error message, terms okenn, 'invalid key', cl_gui_cfw====================cp, overview area, tables 't77 ', missing entries
Related Notes :
| 31621 | PD and workflow application do not run correctly |