Solution : https://service.sap.com/sap/support/notes/327602 (SAP Service marketplace login required)
Key words : 
t10 test run   t11 production run  t20 sie, p_test test run create, t21 authorization object g_admi_cus, message long text required, t03 & rates   t04 & rates, activity '06' create message 500, additional key words, development class ccvs, message class gx, characterized cost centers
Related Notes : 
       
| 446294 | CC INFO: Logical system name and client copy | 
| 428856 | Accounting document is not displayed in the document flow | 
| 328511 | Logical system update in table FMIFIHD | 
| 320834 | Composite note: Updating own log.System in application |