Solution : https://service.sap.com/sap/support/notes/1612144 (SAP Service marketplace login required)
Key words : 
terms access control 2010, program error administrator, approve/reject, providing comments, prerequisites due, solution implement, correction instructions, administrator
Related Notes : 
       
| 1619369 | Details of database field of Request Comment's | 
| 1607067 | Master Note for SAP Access Control 10.0 - Support Pack 6 |