RhodeCode CE/EE

Unable to complete search indexing. Output from command:
/home/rcdev/.rccontrol/enterprise-1/profile/bin/rhodecode-index --instance-name=enterprise-1

Generates error msg:
Internal server error

Output from enterprise-1.log:
==> enterprise-1/enterprise.log <==
2016-11-08 21:06:15.575 ERROR [rhodecode.api] Unhandled exception occured on api call:
Traceback (most recent call last):
File "/opt/rhodecode/store/bc6w8dzvdcs6dixi83cs32rbaj5zyz67-python2.7-rhodecode-enterprise-ce-4.4.0/lib/python2.7/site-packages/rhodecode/api/init.py", line 254, in request_view
ret_value = func(**call_params)
File "/opt/rhodecode/store/bc6w8dzvdcs6dixi83cs32rbaj5zyz67-python2.7-rhodecode-enterprise-ce-4.4.0/lib/python2.7/site-packages/rhodecode/api/views/repo_api.py", line 390, in get_repo_changesets
cs_json['diff'] = build_commit_data(commit, changes_details)
File "/opt/rhodecode/store/bc6w8dzvdcs6dixi83cs32rbaj5zyz67-python2.7-rhodecode-enterprise-ce-4.4.0/lib/python2.7/site-packages/rhodecode/api/utils.py", line 288, in build_commit_data
for f in commit.added:
File "/opt/rhodecode/store/bc6w8dzvdcs6dixi83cs32rbaj5zyz67-python2.7-rhodecode-enterprise-ce-4.4.0/lib/python2.7/site-packages/rhodecode/lib/vcs/backends/svn/commit.py", line 213, in added
self._changes_cache['added'], self)
File "/opt/rhodecode/store/b0avyih7iz13mraavqcmzv5y7l12f68f-python2.7-zope.cachedescriptors-4.0.0/lib/python2.7/site-packages/zope/cachedescriptors/property.py", line 69, in __get_
value = func(inst)
File "/opt/rhodecode/store/bc6w8dzvdcs6dixi83cs32rbaj5zyz67-python2.7-rhodecode-enterprise-ce-4.4.0/lib/python2.7/site-packages/rhodecode/lib/vcs/backends/svn/commit.py", line 197, in changes_cache
return self._remote.revision_changes(self._svn_rev)
File "/opt/rhodecode/store/bc6w8dzvdcs6dixi83cs32rbaj5zyz67-python2.7-rhodecode-enterprise-ce-4.4.0/lib/python2.7/site-packages/rhodecode/lib/vcs/exceptions.py", line 175, in wrapper
return func(*args, **kwargs)
File "/opt/rhodecode/store/bc6w8dzvdcs6dixi83cs32rbaj5zyz67-python2.7-rhodecode-enterprise-ce-4.4.0/lib/python2.7/site-packages/rhodecode/lib/vcs/client.py", line 319, in caller
return func(*all_args, **kwargs)
File "/opt/rhodecode/store/ss0apdfdw13jgjplhgxqqxv7pmwxfz5d-python2.7-Pyro4-4.35/lib/python2.7/site-packages/Pyro4/core.py", line 168, in __call_
return self.send(self.name, args, kwargs)
File "/opt/rhodecode/store/ss0apdfdw13jgjplhgxqqxv7pmwxfz5d-python2.7-Pyro4-4.35/lib/python2.7/site-packages/Pyro4/core.py", line 395, in _pyroInvoke
raise data
NotImplementedError: Action 3 not supported on path trunk/code/WLGore.MTrack/WLGore.MTrack.Library/Interfaces/IAssociate.cs
+--- This exception occured remotely (Pyro) - Remote traceback:
| Traceback (most recent call last):
| File "/opt/rhodecode/store/ss0apdfdw13jgjplhgxqqxv7pmwxfz5d-python2.7-Pyro4-4.35/lib/python2.7/site-packages/Pyro4/core.py", line 966, in handleRequest
| data = method(*vargs, **kwargs) # this is the actual method call to the Pyro object
| File "/opt/rhodecode/store/y4yps64ak81djaja7s7d0w67nwrcqwy6-python2.7-rhodecode-vcsserver-4.4.0/lib/python2.7/site-packages/vcsserver/svn.py", line 177, in revision_changes
| change.action, path))
| NotImplementedError: Action 3 not supported on path trunk/code/WLGore.MTrack/WLGore.MTrack.Library/Interfaces/IAssociate.cs
+--- End of remote traceback

2016-11-08 21:06:15.576 INFO [rhodecode.lib.middleware.request_wrapper] IP: 10.240.0.67 Request to /_admin/api time: 0.900s