Solution : https://service.sap.com/sap/support/notes/1560306 (SAP Service marketplace login required)
Key words :
'null' object reference, grcfnd_a - sp02 solution, apply snote correction, terms access control, symptom access, prerequisites reason, prerequisite
Related Notes :
1550288 | Master Note for SAP Access Control 10.0 - Support Pack 3 |