Solution : https://service.sap.com/sap/support/notes/1599734 (SAP Service marketplace login required)
Key words :
\class=cl_grac_authorization_rep\method=set_resource_ext_val\data=lt_fld_val_db, install sp05 release, symptom authorization sync, authorization sync notes, cl_grac_authorization_rep=====cp, cl_grac_authorization_rep=====cm007, authorization sync, pfcg fails, throws dump, internal table
Related Notes :
1591123 | Master Note for SAP Access Control 10.0 - Support Pack 5 |