Solution : https://service.sap.com/sap/support/notes/705626 (SAP Service marketplace login required)
Key words : 
gv_process_type    instance attribute    protected    crmt_process_typegv_last_status     instance attribute    protected    crm_j_statusin class cl_crm_ic_irecreason_cn06create, gv_profile         instance attribute    public    crmt_subject_profileand activate, dropdown list box, attached correction instructions, class cl_crm_ic_irecreason_implcreate, interaction record, ic webclient, reasons/results, status change, filled incorrectly
Related Notes : 
       
| 709921 | CRM 4.0 SP Stack 4/2004 (SAPKU40005): Release & Info. Note | 
| 705627 | CRM4.0 SP06 Termination of application during status change |