Solution : https://service.sap.com/sap/support/notes/1614127 (SAP Service marketplace login required)
Key words :
enter user id, terms access control 2010, enter request details, existing access request, prerequisites warning pop, access request, warning pop, copy request, symptom symptom 1, length greater
Related Notes :
1607067 | Master Note for SAP Access Control 10.0 - Support Pack 6 |