What's the meaning of this error?

[Jelmer Vernooij]

On Mon, 2011-08-01 at 15:45 +0800, 罗勇刚(Yonggang Luo) wrote:
> Thanks, I've found the cause.
> https://code.launchpad.net/~luoyonggang/bzr-svn/b3
> 
> 
> The problem is at the current time, bzr-svn din't support for multiple
> branches at the same path.
> Such as  an path /branches/branchA/branchB
> It's contained branch /branches/branchA
> and /branches/branchA/branchB,
> the exist codebase didn't deal with it well.
> So, in auto layout, I disable such feature, so that just enable those
> branches din't contains other branches.
> So, I set /branches/branchA is not an branch, the internal error is
> gone.
This never occurs in the current code base either, so this error would
never occur without your patch. 

If you need this to work for your custom layout, you'll have to change
bzr-svn to allow multiple path elements to be a branch in the same
layout.

Cheers,

Jelmer