Hi Dev-team, I have updated my production instance to 10201:ebe87051fadf, The page is not loading properly. Please find the log message as following. serving on 0.0.0.0:8081 view at http://127.0.0.1:8080 X.X.X.X - - [12/Aug/2013:16:58:35 -0400] "GET / HTTP/1.1" 200 - "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:20.0) Gecko/20100101 Firefox/20.0" X.X.X.X - - [12/Aug/2013:16:58:36 -0400] "GET /root/welcome HTTP/1.1" 302 - "https://galaxy.cbio.mskcc.org/" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:20.0) Gecko/20100101 Firefox/20.0" X.X.X.X - - [12/Aug/2013:16:58:36 -0400] "GET /history HTTP/1.1" 200 - " https://galaxy.cbio.mskcc.org/" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:20.0) Gecko/20100101 Firefox/20.0" 66.249.72.219 - - [12/Aug/2013:17:00:02 -0400] "GET /history/delete_current?purge=True HTTP/1.1" 500 - "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" Error - <type 'exceptions.AttributeError'>: 'NoneType' object has no attribute 'users_shared_with' URL: https://galaxy.cbio.mskcc.org/history/delete_current?purge=True File '/codebase/lib/galaxy/web/framework/middleware/error.py', line 149 in __call__ app_iter = self.application(environ, sr_checker) File '/codebase/eggs/Paste-1.7.5.1-py2.6.egg/paste/recursive.py', line 84 in __call__ return self.application(environ, start_response) File '/codebase/eggs/Paste-1.7.5.1-py2.6.egg/paste/httpexceptions.py', line 633 in __call__ return self.application(environ, start_response) File '/codebase/lib/galaxy/web/framework/base.py', line 132 in __call__ return self.handle_request( environ, start_response ) File '/codebase/lib/galaxy/web/framework/base.py', line 190 in handle_request body = method( trans, **kwargs ) File '/codebase/lib/galaxy/webapps/galaxy/controllers/history.py', line 540 in delete_current if history.users_shared_with: AttributeError: 'NoneType' object has no attribute 'users_shared_with' CGI Variables ------------- CONTENT_LENGTH: '0' HTTP_ACCEPT: '*/*' HTTP_ACCEPT_ENCODING: 'gzip,deflate' HTTP_CONNECTION: 'Keep-Alive' HTTP_FROM: 'googlebot(at)googlebot.com' HTTP_HOST: 'galaxy.cbio.mskcc.org' HTTP_USER_AGENT: 'Mozilla/5.0 (compatible; Googlebot/2.1; + http://www.google.com/bot.html)' HTTP_X_FORWARDED_FOR: '66.249.72.219' HTTP_X_FORWARDED_HOST: 'galaxy.cbio.mskcc.org' HTTP_X_FORWARDED_SERVER: 'galaxy.cbio.mskcc.org' HTTP_X_URL_SCHEME: 'https' ORGINAL_HTTP_HOST: 'localhost:8081' ORGINAL_REMOTE_ADDR: '127.0.0.1' PATH_INFO: '/history/delete_current' QUERY_STRING: 'purge=True' REMOTE_ADDR: '66.249.72.219' REQUEST_METHOD: 'GET' SERVER_NAME: '0.0.0.0' SERVER_PORT: '8081' SERVER_PROTOCOL: 'HTTP/1.1' WSGI Variables -------------- application: <paste.recursive.RecursiveMiddleware object at 0x8c38850> is_api_request: False original_wsgi.url_scheme: 'http' paste.cookies: (<SimpleCookie: >, '') paste.expected_exceptions: [<class 'paste.httpexceptions.HTTPException'>] paste.httpexceptions: <paste.httpexceptions.HTTPExceptionHandler object at 0x96d1dd0> paste.httpserver.thread_pool: <paste.httpserver.ThreadPool object at 0x99e9f10> paste.parsed_querystring: ([('purge', 'True')], 'purge=True') paste.recursive.forward: <paste.recursive.Forwarder from /> paste.recursive.include: <paste.recursive.Includer from /> paste.recursive.include_app_iter: <paste.recursive.IncluderAppIter from /> paste.recursive.script_name: '' paste.throw_errors: True request_id: '28651434039211e389a390b11c087d99' webob._parsed_query_vars: (MultiDict([('purge', 'True')]), 'purge=True') wsgi process: 'Multithreaded' ------------------------------------------------------------ X.X.X.X - - [12/Aug/2013:17:00:42 -0400] "GET / HTTP/1.1" 200 - "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/534.34 (KHTML, like Gecko) rekonq Safari/534.34" Is that something missing here, Thanks V ipin