### Please describe the problem.
I got the following error message

    Internal Server Error
    Cannot change encryption type of existing remote.

after deleted my encrypted box.com remote and tried to add the same box.com account as an uncrypted remote.

### What steps will reproduce the problem?
* Add a box.com remote with encryption.
* Delete the remote.
* Add with the same box.com account a remote without encryption.

### What version of git-annex are you using? On what operating system?
* 2013.07.09 release
* Linux 3.9.9-1-ARCH x86_64

### Please provide any additional information below.

[[!format sh """
# If you can, paste a complete transcript of the problem occurring here.
# If the problem is with the git-annex assistant, paste in .git/annex/daemon.log


# End of transcript or log.
"""]]

> fixed this [[done]] --[[Joey]] 
