Unrecognized URL scheme in subversion 1.5

Hi all,

updating gives me the following:

>svn update
>svn: Unrecognized URL scheme for 'https://projects.coin-
or.org/svn/SYMPHONY/stable/5.1'

These are the repository infos
SYMPHONY-5.1 > svn info
Path: .
URL: https://projects.coin-or.org/svn/SYMPHONY/stable/5.1
Repository Root: https://projects.coin-or.org/svn/SYMPHONY
Repository UUID: 13000f92-0c12-0410-a037-c4f90146b84e
Revision: 971
Node Kind: directory
Schedule: normal
Last Changed Author: tkr
Last Changed Rev: 971
Last Changed Date: 2007-01-26 20:08:41 +0100 (Fri, 26 Jan 2007)

What does the error message mean? Could it be related to the file
system?

Thanks,

Lutz

-- 
Lutz Göhring
Scientific Assistant
with Prof. Thomas Berger
Professur (i.V.) für Ökonomik der Landnutzung in den Tropen und Subtropen
(Professorship (p.p.) for Land Use Economics in the Tropics and
Subtropics)
Institute for Agricultural Economics and Social Sciences in the Tropics
and Subtropics, 
University of Hohenheim, Stuttgart
e-mail: lutz.goehring@uni-hohenheim.de
Tel.: +49-711-459-23615
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