       who = msg.message.user?.name?.toLowerCase()
     if !isIgnored who
       user = robot.brain.userForName who
-      s = "I will ignore #{who}"
-      msg.reply s
-      table = robot.brain.get(PRIVILEGE_TABLE_KEY) || {}
-      table[user.id] = true
-      robot.brain.set PRIVILEGE_TABLE_KEY, table
+      if user
+        s = "I will ignore #{who}"
+        msg.reply s
+        table = robot.brain.get(PRIVILEGE_TABLE_KEY) || {}
+        table[user.id] = true
+        robot.brain.set PRIVILEGE_TABLE_KEY, table
 
   robot.respond /forgive\s([^\s]*)/i, (msg)->
     who = msg.match[1].trim().toLowerCase()

isIgnored = (username) ->
  table = robot.brain.get(PRIVILEGE_TABLE_KEY) || {}
  ignored = false
  if username?
    user = robot.brain.userForName username
    ignored = table[user.id]
  ignored

      ignored = []
      for id of table
        user = robot.brain.userForId id
        ignored.push user.name if user
      if ignored.length > 0
        response = "I'm unhappy with: #{ignored}. Should I forgive?"

