Range Based Address Resolution (RBAR) User's Guide Configuration of RBAR RBAR Configuration Exceptions configuration Editing a Routing Exception Editing a Routing Exception Use this task to edit a Routing Exception. Click RBAR, and then Configuration, and then Exceptions. Select the Application ID/Name you want to edit and click Edit. Update the relevant fields.For more information about each field, see Table 3-2. Click OK, Apply, Cancel.If OK or Apply is clicked and any of the following conditions exist, an error message appears: A valid Vendor-ID is missing when the Routing Exception Action is Send Answer with Experimental Result-Code AVP. A valid Destination is missing when the Routing Exception Action is Forward to Destination. A valid Result-Code Value is missing when the Routing Exception Action is Send Answer or Send Answer with Experimental-Result AVP.