Solution : https://service.sap.com/sap/support/notes/707736 (SAP Service marketplace login required)
Key words : 
methods set_ddlb_priority     instance method      protected set_ddlb_reason       instance method      protected set_ddlb_result       instance method      protected set_ddlb_status       instance method      protected get_prio_disabled     instance method      public get_reason_disabled   instance method      public get_result_disabled   instance method      public get_status_disabled   instance method      public, gv_last_process_type  instance attribute  protected   crmt_process_type gv_process_type      instance attribute  protected   crmt_process_type gv_last_status        instance attribute  protected   crm_j_status, cl_crm_ic_followupdetails_cn01   -->     get_i_description cl_crm_ic_followupdetails_cn02   -->     get_i_priority cl_crm_ic_followupdetails_cn02   -->     get_i_category cl_crm_ic_followupdetails_cn08   -->     get_i_reason cl_crm_ic_followupdetails_cn09   -->     get_i_date cl_crm_ic_followupdetails_cn09   -->     get_i_time cl_crm_ic_followupdetails_cn12   -->     get_i_result cl_crm_ic_followupdetails_cn13   -->     get_i_status activate, public instance method, redefine method do_prepare_output, 'method do_prepare_output, <%= controller->get_reason_disabled, <%= controller->get_prio_disabled, <%= controller->get_status_disabled, <%= controller->get_result_disabled
Related Notes : 
       
| 709921 | CRM 4.0 SP Stack 4/2004 (SAPKU40005): Release & Info. Note | 
| 705627 | CRM4.0 SP06 Termination of application during status change |