This knowledgebase article will guide you in how you can resolve the Error: The ID of the route policy: Unknown in your Sonicwall firewall.

The error appears when you are trying to create the routing policy with the set destination to "Any".
You will need to use an address object as the destination, and then you can create the route.
There are two ways to contact technical support:
1. Online: Visit mysonicwall.com. Once logged in select Resources & Support | Support | Create Case.
2. By phone: please use our toll-free number at 1-888-793-2830. Please have your SonicWall serial number available to create a new support case.
If you do not have a mysonicwall.com account create one for free!