Solution : https://service.sap.com/sap/support/notes/1536941 (SAP Service marketplace login required)
Key words : 
table primary key', handle data type, processing change log, grc change log, change log, fix problems, deleting entries, terms configurable, rule hremp_ctc1_01_a, automated rules
Related Notes : 
       
| 1529711 | PC3.0 Support Pack 9 - Master Note |