working copy locked and cleanup don't work

Hi!,

I have a problem with a working copy. It's locked, i can't do update or
commit because it says wc is locked.
But I can't do svn either.
I get this errors:

Error: Error while performing action: In directory
'/home/leo/mousswww/idios/doc'
Error processing command 'upgrade-format' in '/home/leo/mousswww/idios/doc'
Can't move '/home/leo/mousswww/idios/doc/.svn/format.tmp' to
'/home/leo/mousswww/idios/doc/.svn/format': Permission denied

Another working copies are working fine. I'm using svn protocol in my
network and file:// protocol on the svn server.
I get the same problems in both environments.

I'm a subversion newbie and need some help.
Anyone knows how to solve the problem?

Thanks

-- 
Leo Márquez 
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