Forcepoint NGFW bug: sgcfg.exit.MasterDevice FATAL

jsgcfg.exit.MasterDevice FATAL found at Forcepoint NGFW console

jsgcfg.exit.MasterDevice FATAL found at Forcepoint NGFW console 6.3 (newest). Bug confirmed by vendor. In SMC with domain mode enabled, SSL VPN portal configuration can't be configured. Policy installation ends with FATAL error.

Error:

Upload log:
Upload of Firewall Policy A-Team-Standard at 2017-xx-xx 12:24:35 in progress...
Validation started...
No issues have been detected.
Connecting to nodes...
KRK on MasterDevice node 1 connected.
Building common configuration...
Building inspection protocol configuration...
Building situation configuration...
Building correlation configuration...
Building inspection configuration...
Building specific configuration for KRK...
Building routing configuration...
Building antispoofing configuration...
Building domain name server configuration...
Building SSL VPN configuration...
Building dynamic routing configuration...
Building access rules...
Building server pool configuration...
Building log rate configuration...
Building file filtering configuration...
Building inspection rules...
Configuration upload in progress...
Upload Failure: Operation failed.
Engine error: Message code 208 (errno 104) Syntax error 2017-xx-xx 17:20:44.166 sgcfg.exit.MasterDevice FATAL: Sending configuration to sslvpnrwpd failed (error -1).