I thought I’d thoroughly read this article, but upon reading it again today, I noticed a key point I’d missed. If you can’t upgrade your SVN client, do a fresh checkout with the older client. I’m going to have to try this now…
This client is too old to work with working copy ‘XXX’
The full error message is:
This client is too old to work with working copy ‘.’; please get a newer Subversion client.
You will get this error message once you have used a Subversion client linked with a higher Subversion version, and then try to execute a command with a Subversion client linked with an older version, e.g., you used an 1.4.x client on your working copy, and now you try an svn 1.3.x client on the same working copy.
The reason for this is that Subversion 1.4 and 1.5 upgrade the working copies transparently on every command. But once the working copy format is upgraded, older clients can’t access the working copy anymore because they don’t know the new format.
The only solution to ‘fix’ this is to upgrade whatever clien