{
                state: 'solicitation.details',
                config: {
                    url: '/details/:stype',
                    parent: 'solicitation',
                    templateUrl: function($stateParams){
                        return 'app/solicitation/templates/' + $stateParams.stype + '.html';
                    },
                    controller: 'DetailsController',
                    controllerAs: 'dc',
                    title: 'Solicitation Details'
                }
            },

<a ng-class="vm.disable.details ? 'disabled' : ''" class="btn btn-default" href="#/solicitation/self/details/request" role="button" ui-sref="solicitation.details({type: vm.type})">Details</a>

templateUrl: function($stateParams){
                        var stype = $stateParams.stype;
                        console.log(stype);
                        return 'app/solicitation/templates/' + stype + '.html';
                    },

request //STYPE ACTUALLY GETS POPULATED
solicitation.route.js:58
angular.js:9866 GET http://localhost:3000/app/solicitation/templates/.html 404 (Not Found)
angular.js:11655 Warning: Error routing to Solicitation Details. Cannot GET /app/solicitation/templates/.html