Solution : https://service.sap.com/sap/support/notes/1632872 (SAP Service marketplace login required)
Key words :
'insert charge line' button remains active, insert charge line reason, prerequisites program error solution, terms charge calculation, corrections attached
Related Notes :
| 1625213 | SAP TM 8.1-Collection of Notes recommended to be implemented |
| 1522754 | SAP TM 8.0 - collection of notes, pro-active implementation |