version mismatch in 'svn_delta'

I've been running 'svn commit' all day with no problems. I went to the
doctor, came back, made some more document changes, and ran 'svn commit'
again, and got this error:

subversion/libsvn_client/commit.c:832: (apr_err=200019)
svn: Commit failed (details follow):
subversion/libsvn_subr/version.c:73: (apr_err=200019)
svn: Version mismatch in 'svn_delta': found 1.2.0, expected 1.1.0-rc3
subversion/libsvn_subr/version.c:73: (apr_err=200019)
svn: Version mismatch in 'svn_subr': found 1.2.0, expected 1.1.0-rc3
subversion/clients/cmdline/util.c:380: (apr_err=200019)
svn: Your commit message was left in a temporary file:
subversion/clients/cmdline/util.c:380: (apr_err=200019)
svn: '/Library/WebServer/Documents/projects/myProj/svn-commit.tmp'

I didn't install a new version (I've been running 1.2.0 for quite a
while now). I didn't do anything different after I got back from my
appointment, so I am stymied as to why I'm suddenly getting this error
message.

Thanks for any insight,

carole

-- 
Carole_Mah@brown.edu
Senior Programmer Analyst
Computing & Information Services
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