Solution : https://service.sap.com/sap/support/notes/716917 (SAP Service marketplace login required)
Key words : 
process icon_release   x20   leasingi1004x, process icon_status_ok x30   leasingi1005x, process icon_complete  x40   leasing, incorrect table entries, table crmc_status_proc, symptom statuses, deleted manually, terms status, solution delete, prerequisites
Related Notes : 
       
| 709921 | CRM 4.0 SP Stack 4/2004 (SAPKU40005): Release & Info. Note |