bug bug

[leungwensen]

Error detected while processing function commentreader#CRopentwitter:                                                                                                                             
line    1:
E354: Invalid register name: '+'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/Users/liangwensen/.vim/bundle/CommentReader/autoload/commentreader.py", line 40, in CRopentwitter
    CR_Instance[bufnum].openTwitter(PIN)
  File "/Users/liangwensen/.vim/bundle/CommentReader/autoload/commentreader.py", line 162, in openTwitter
    self.head.reqAuthPage()
  File "/Users/liangwensen/.vim/bundle/CommentReader/autoload/commentreader.py", line 572, in reqAuthPage
    vim.command("let @+='{0}?oauth_token={1}'".format(authorize_url, request_token['oauth_token']))
vim.error