[exec] svn: This client is too old to work with working copy … You need [exec] to get a newer Subversion client, or to downgrade this working copy. [exec] See http://subversion.tigris.org/faq.html#working-copy-format-change [exec] for details. Simplest fix; delete everything under this path and re-checkout.
Check if the file in question or (.classpath file) has any diff markup in it (e.g. things like
Check your admin rights haven’t vanished (For Windows, try creating a directory in Program Files)
Message: svn: Can’t create tunnel: The system cannot find the file specified. Check the SVN Interface in Eclipse/Preferences – try SVNKit instead of JavaHL This error also manifests as malformed reply from SOCKS server