In presets, ignore config parameters that don't exist in the device

common.coffee

@@ -38,9 +38,12 @@ exports.extend = (obj, mixin) ->
 exports.getParamValueFromPath = (obj, path) ->
   pp = path.split('.')
   ref = obj
+  try
     for p in pp
       ref = ref[p]
     return ref
+  catch err
+    return undefined
 
 
 exports.matchType = (src, dst) ->

presets.coffee

@@ -73,6 +73,7 @@ exports.assertPresets = (deviceId, presetsHash, callback) ->
         switch c.type
           when 'value'
             src = common.getParamValueFromPath(device, "#{c.name}._value")
+            if src isnt undefined # ignore parameters that don't exist
               dst = common.matchType(src, c.value)
               if src != dst
                 setParameterValues.push([c.name, dst])