Solution : https://service.sap.com/sap/support/notes/66221 (SAP Service marketplace login required)
Key words : 
operator    comparison valuetvap    posar        ne          'b'              <<<<<<<< insertgenerate, additional key words text item, table maintenance view ovko, item type 'b', attached program corrections, invalid customizing options, text items, item categories, view 'v_tvap_pr', table   field
Related Notes : 
       
| 209887 | Text items and pricing |