Unknown provider: $scopeProvider <- $scope <- BugService

angular.js

     <script>
          var bugSummaryApp = angular.module('bugSummaryApp', []);
          var bugslist = null;
          var bugdetails = null;

          bugSummaryApp.factory("BugService", ['$http', function(http) {

              var webserviceURL = "/invokeWebService?webserviceHost=http://trceit-dev-env.elasticbeanstalk.com:8080&webservicePathURL=/getData";
              
              http.get(webserviceURL).success(function(data) {
                  bugslist = data;
                  console.log('buglist ' + bugslist);
              });

              return {
                all: function() {
                    console.log('bugdetails ' + bugdetails);
                  return bugslist;
                },
                one: function(idSelectedBug) {
                  return bugdetails;
                }
              };
            }]);

          bugSummaryApp.controller("ListControl", ["$scope", "BugService",
              function(scope, BugService) {
                scope.bugslist = BugService.all();
                console.log('scope.bugslist' + bugslist);
              }
            ]);

          bugSummaryApp.controller("DetailControl", ["$scope", "BugService",
              function(scope, BugService) {
                scope.bugdetails = BugService.one();
              }
            ]);

        </script>