line 94: assertion failed (svn_uri_is_canonical(url, pool)) - v1.7.1

---------------------------
Subversion Exception!
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Subversion encountered a serious problem.
Please take the time to report this on the Subversion mailing list
with as much information as possible about what
you were trying to do.
But please first search the mailing list archives for the error message
to avoid reporting the same problem repeatedly.
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Subversion reported the following
(you can copy the content of this dialog
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In file
 'D:\Development\SVN\Releases\TortoiseSVN-1.7.1\ext\subversion\subversion\libsvn_client\checkout.c'
 line 94: assertion failed (svn_uri_is_canonical(url, pool))
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OK
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---
Server = latest 1.6 version
With checkout from tortoisesvn:
using
x.x.com:1111
instead of
svn://x.x.com:1111
i use:
Subversion 1.7.1