Error when initializing submodules: Socket.IO not found

[hinzundcode]

Hi,

when I tried to run git submodule update --init --recursive and got this error:

$ git submodule update --init --recursive
Submodule 'src/vendor/paperboy' (git://github.com/felixge/node-paperboy.git) registered for path 'lib/vendor/paperboy'
Submodule 'lib/vendor/socket.io' (git://github.com/LearnBoost/Socket.IO.git) registered for path 'lib/vendor/socket.io'
Submodule 'lib/vendor/socket.io-node' (git://github.com/LearnBoost/Socket.IO-node.git) registered for path 'lib/vendor/socket.io-node'
Cloning into lib/vendor/paperboy...
remote: Counting objects: 341, done.
remote: Compressing objects: 100% (144/144), done.
remote: Total 341 (delta 165), reused 311 (delta 140)
Receiving objects: 100% (341/341), 162.29 KiB | 257 KiB/s, done.
Resolving deltas: 100% (165/165), done.
Submodule path 'lib/vendor/paperboy': checked out '759b8695fda8f74354f53b7f401c62ebef6507e1'
Cloning into lib/vendor/socket.io...
fatal: remote error: 
  Could not find Repository LearnBoost/Socket.IO
Clone of 'git://github.com/LearnBoost/Socket.IO.git' into submodule path 'lib/vendor/socket.io' failed

Thanks a lot