Solution : https://service.sap.com/sap/support/notes/931407 (SAP Service marketplace login required)
Key words :
comp function module co_kstar check 934 rk-1 zz_cost_elem_check_on_post 2, abap-statement 'raise error', function module zz_cost_elem_check_on_post, customer-specific additional field, customer-specific checks, normal screen logic <, database include ci_cskb, attached program corrections, terms cost element, transaction smod / cmod
Related Notes :
| 1257462 | Checking additional fields in activity type category |
| 957452 | KSH2: Checks for saving in COOMKS02 |
| 906727 | Business processes: user-defined checks |
| 379596 | Checks of additional fields in the cost element master |