Solution : https://service.sap.com/sap/support/notes/1150330 (SAP Service marketplace login required)
Key words :
Category Search Help, BBP_PRCAT_HIER, INIT_TREE_TOOLBAR, HANDLE_HITS_TOOLBAR, CL_BBP_HIER_F4_UI
Related Notes :
| 13719 | Preliminary transports to customers (note for customers) |