 
 
   removeParticipantFromParticipantList: (nickname) ->
-    return throwError "participants is not set"  unless @participants
+    return warn 'participants is not set'  unless @participants
 
     # find the index for participant
     for participant, index in @participants.asArray()



  cleanupCollaboration: (options = {}) ->
    return throwError 'RealTimeManager is not set'  unless @rtm

    kd.utils.killRepeat @pingInterval
    @rtm?.dispose()

        break

  removeParticipantFromMaps: (nickname) ->
    return warn 'rtm is not set'  unless @rtm

    myWatchMapName     = "#{nickname}WatchMap"
    mySnapshotName     = "#{nickname}Snapshot"
