Range Based Address Resolution User 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 Exception configuration elements. 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.