problem with subversion one way replication

Hi,

i tried subversion replication howto from thios link:
http://journal.paul.querna.org/articles/2006/09/14/using-svnsync

and on the point:

svnsync init ${TOREPO} ${FROMREPO}

i get this error message (i use http)
svnsync: DAV request failed; it's possible that the repository's pre-revprop-change hook either failed or is non-existent
svnsync: At least one property change failed; repository is unchanged

and i don`t know what to do, the subversion repository works fine on the source side!?
without http:// with the use of svn:// i got another error message:

svnsync: 'pre-revprop-change' hook failed with error output:

but the error output is empty, i think because in the howto is explaind
how to create an emty "pre-revprop-change" file !?

can anybody help me?

tanks for everything

-- 
Benjamin Kopp
Fachinformatiker - Systemintegration 
market maker Software AG
part of the vwd group
Karl-Marx-Str. 13
67655 Kaiserslautern
Germany
Fon +49 (0)631/3649-0
Fax +49 (0)631/3649-139
b.kopp@market-maker.de
www.market-maker.de
www.vwd-group.de
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