I'm seeing the following error in the log when clicking on the "View in GeneTrack" link for a specific dataset: Error - <type 'exceptions.Exception'>: A data display parameter is in the error state: genetrack_file URL: http://localhost:8081/galaxy/display_application/cbbbf59e8f08c98c/genetrack_... File '/usr/local/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/exceptions/errormiddleware.py', line 143 in __call__ app_iter = self.application(environ, start_response) File '/usr/local/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/recursive.py', line 80 in __call__ return self.application(environ, start_response) File '/usr/local/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/httpexceptions.py', line 632 in __call__ return self.application(environ, start_response) File '/usr/local/galaxy-dist/lib/galaxy/web/framework/base.py', line 145 in __call__ body = method( trans, **kwargs ) File '/usr/local/galaxy-dist/lib/galaxy/web/controllers/dataset.py', line 607 in display_application display_link = display_app.get_link( link_name, data, dataset_hash, user_hash, trans ) File '/usr/local/galaxy-dist/lib/galaxy/datatypes/display_applications/application.py', line 176 in get_link return PopulatedDisplayApplicationLink( self.links[ link_name ], data, dataset_hash, user_hash, trans ) File '/usr/local/galaxy-dist/lib/galaxy/datatypes/display_applications/application.py', line 116 in __init__ self.ready, self.parameters = self.link.build_parameter_dict( self.data, self.dataset_hash, self.user_hash, trans ) File '/usr/local/galaxy-dist/lib/galaxy/datatypes/display_applications/application.py', line 57 in build_parameter_dict if param.ready( other_values ): File '/usr/local/galaxy-dist/lib/galaxy/datatypes/display_applications/parameters.py', line 120 in ready raise Exception( 'A data display parameter is in the error state: %s' % ( self.name ) ) Exception: A data display parameter is in the error state: genetrack_file This is happening on a local instance of Galaxy, which has been updated to the most recent revision. Before updating The specific data came from the UCSC table browser. ~ Brian