Unsupported version control "svn"

[imanonymous123@…]

When going to any part of the trac in my browser, I get this:

Traceback (most recent call last):

File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 387, in dispatch_request

dispatcher.dispatch(req)

File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 191, in dispatch

chosen_handler = self._pre_process_request(req, chosen_handler)

File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 263, in _pre_process_request

chosen_handler = f.pre_process_request(req, chosen_handler)

File "/usr/lib/python2.4/site-packages/trac/versioncontrol/api.py", line 73, in pre_process_request

self.get_repository(req.authname) # triggers a sync if applicable

File "/usr/lib/python2.4/site-packages/trac/versioncontrol/api.py", line 91, in get_repository

raise TracError('Unsupported version control system "%s"'

TracError: Unsupported version control system "svn"

I looked at the FAQ (TracSubversion), but when I got this step: "In particular, pay attention to the …/lib/svn-python/libsvn/_core.so file and see if it's location seems to be consistent with both those of the other svn libraries (…/lib/*.so) and the location of the Python code part of the bindings (…/lib/svn-python/svn/core.py). If you're using Apache / mod_python (Linux)

Get a similar list of libraries, but this time for one of your httpd process. Then compare the two, and pay attention to any difference between the svn libraries and the apr libraries. You have to have compatible APR libraries between Apache and Subversion, otherwise you risk to get a wide variety of subtle errors (e.g. #4985)."

I couldn't find any file with "/svn-python/libsvn/_core.so" in the map. I couldn't even find anything with svn in it. I updated to the latest version of trac and svn. I reinstalled trac too, and it upgraded fine, no errors, but it still has this error.