Solution : https://service.sap.com/sap/support/notes/1581545 (SAP Service marketplace login required)
Key words : 
create incorrect timeframe reference control, prerequisites program error solution, symptom subprocess sync-, program grpc_subprocess_synchronize, terms subprocess, grpc_subprocess_synchronize reason, correction instruction, support package
Related Notes : 
       
| 1566722 | Process Control 10.0 Support Package 04 - Master Note | 
| 1562347 | PC3.0 Support Pack 10 - Master Note |