We have 2 galaxy instances running one is v15.05-74-gf6b894a the other is v15.10-30-g6a47d2d a user is trying to import a workflow file, it works on the older one, but raises an error on the newer one. URL: http://redacted.edu:8080/workflow/import_workflow <http://prince.bc.edu:8080/workflow/import_workflow> File '/cluster/home/galaxy/galaxy/lib/galaxy/web/framework/middleware/error.py', line 151 in __call__ app_iter = self.application(environ, sr_checker) File '/cluster/home/galaxy/galaxy/eggs/Paste-1.7.5.1-py2.7.egg/paste/recursive.py', line 84 in __call__ return self.application(environ, start_response) File '/cluster/home/galaxy/galaxy/eggs/Paste-1.7.5.1-py2.7.egg/paste/httpexceptions.py', line 633 in __call__ return self.application(environ, start_response) File '/cluster/home/galaxy/galaxy/lib/galaxy/web/framework/base.py', line 133 in __call__ return self.handle_request( environ, start_response ) File '/cluster/home/galaxy/galaxy/lib/galaxy/web/framework/base.py', line 191 in handle_request body = method( trans, **kwargs ) File '/cluster/home/galaxy/galaxy/lib/galaxy/webapps/galaxy/controllers/workflow.py', line 921 in import_workflow workflow, missing_tool_tups = self._workflow_from_dict( trans, data, source=src, add_to_menu=add_to_menu ) File '/cluster/home/galaxy/galaxy/lib/galaxy/web/base/controller.py', line 1111 in _workflow_from_dict publish=publish File '/cluster/home/galaxy/galaxy/lib/galaxy/managers/workflows.py', line 159 in build_workflow_from_dict module, step = self.__module_from_dict( trans, step_dict, secure=False ) File '/cluster/home/galaxy/galaxy/lib/galaxy/managers/workflows.py', line 605 in __module_from_dict module.save_to_step( step ) File '/cluster/home/galaxy/galaxy/lib/galaxy/workflow/modules.py', line 592 in save_to_step step.tool_inputs = self.tool.params_to_strings( self.state.inputs, self.trans.app ) File '/cluster/home/galaxy/galaxy/lib/galaxy/tools/__init__.py', line 1980 in params_to_strings return params_to_strings( self.inputs, params, app ) File '/cluster/home/galaxy/galaxy/lib/galaxy/tools/parameters/__init__.py', line 92 in params_to_strings value = params[ key ].value_to_basic( value, app ) File '/cluster/home/galaxy/galaxy/lib/galaxy/tools/parameters/grouping.py', line 574 in value_to_basic rval[ self.test_param.name ] = self.test_param.value_to_basic( value[ self.test_param.name ], app ) KeyError: 'uncol' i'm not able conclude much from this dump. Can anyone suggest some steps to debug this. Cheers Tony Schreiner