Solution : https://service.sap.com/sap/support/notes/673948 (SAP Service marketplace login required)
Key words : 
system issues error message bs001, menu extras->document flow, display archived orders, source code corrections, terms transaction sari, program error, transaction iw63, green arrow, status object, order reason
Related Notes : 
       
| 825105 | Displaying archived PM/CS orders via archive | 
| 823898 | PM/CS order: Various errors if orders displayed from archive |