Query not found Exception

i am facing this error in my laravel project after i installed elqouent sluggable package....i dont know what is causing this error...it was working just fine! any help please?

Sorry, the page you are looking for could not be found. (2/2) NotFoundHttpException No query results for model [App\Tag]. in Handler.php (line 131) at Handler->prepareException(object(ModelNotFoundException)) in Handler.php (line 109) at Handler->render(object(Request), object(ModelNotFoundException)) in Handler.php (line 47) at Handler->render(object(Request), object(ModelNotFoundException)) in Pipeline.php (line 82) at Pipeline->handleException(object(Request), object(ModelNotFoundException)) in Pipeline.php (line 55) at Pipeline->Illuminate\Routing{closure}(object(Request)) in VerifyCsrfToken.php (line 65) at VerifyCsrfToken->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in ShareErrorsFromSession.php (line 49) at ShareErrorsFromSession->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in StartSession.php (line 64) at StartSession->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in AddQueuedCookiesToResponse.php (line 37) at AddQueuedCookiesToResponse->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in EncryptCookies.php (line 59) at EncryptCookies->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in Pipeline.php (line 102) at Pipeline->then(object(Closure)) in Router.php (line 576) at Router->runRouteWithinStack(object(Route), object(Request)) in Router.php (line 535) at Router->dispatchToRoute(object(Request)) in Router.php (line 513) at Router->dispatch(object(Request)) in Kernel.php (line 174) at Kernel->Illuminate\Foundation\Http{closure}(object(Request)) in Pipeline.php (line 30) at Pipeline->Illuminate\Routing{closure}(object(Request)) in TransformsRequest.php (line 30) at TransformsRequest->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in TransformsRequest.php (line 30) at TransformsRequest->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in ValidatePostSize.php (line 27) at ValidatePostSize->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in CheckForMaintenanceMode.php (line 46) at CheckForMaintenanceMode->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in Pipeline.php (line 102) at Pipeline->then(object(Closure)) in Kernel.php (line 149) at Kernel->sendRequestThroughRouter(object(Request)) in Kernel.php (line 116) at Kernel->handle(object(Request)) in index.php (line 53) at require_once('/opt/lampp/htdocs/ECD-Website/public/index.php') in server.php (line 21) (1/2) ModelNotFoundException No query results for model [App\Tag]. in Builder.php (line 395) at Builder->firstOrFail() in ImplicitRouteBinding.php (line 35) at ImplicitRouteBinding::resolveForRoute(object(Application), object(Route)) in Router.php (line 648) at Router->substituteImplicitBindings(object(Route)) in SubstituteBindings.php (line 39) at SubstituteBindings->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in VerifyCsrfToken.php (line 65) at VerifyCsrfToken->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in ShareErrorsFromSession.php (line 49) at ShareErrorsFromSession->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in StartSession.php (line 64) at StartSession->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in AddQueuedCookiesToResponse.php (line 37) at AddQueuedCookiesToResponse->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in EncryptCookies.php (line 59) at EncryptCookies->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in Pipeline.php (line 102) at Pipeline->then(object(Closure)) in Router.php (line 576) at Router->runRouteWithinStack(object(Route), object(Request)) in Router.php (line 535) at Router->dispatchToRoute(object(Request)) in Router.php (line 513) at Router->dispatch(object(Request)) in Kernel.php (line 174) at Kernel->Illuminate\Foundation\Http{closure}(object(Request)) in Pipeline.php (line 30) at Pipeline->Illuminate\Routing{closure}(object(Request)) in TransformsRequest.php (line 30) at TransformsRequest->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in TransformsRequest.php (line 30) at TransformsRequest->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in ValidatePostSize.php (line 27) at ValidatePostSize->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in CheckForMaintenanceMode.php (line 46) at CheckForMaintenanceMode->handle(object(Request), object(Closure)) in Pipeline.php (line 148) at Pipeline->Illuminate\Pipeline{closure}(object(Request)) in Pipeline.php (line 53) at Pipeline->Illuminate\Routing{closure}(object(Request)) in Pipeline.php (line 102) at Pipeline->then(object(Closure)) in Kernel.php (line 149) at Kernel->sendRequestThroughRouter(object(Request)) in Kernel.php (line 116) at Kernel->handle(object(Request)) in index.php (line 53) at require_once('/opt/lampp/htdocs/ECD-Website/public/index.php') in server.php (line 21)

//my routes

/* |-------------------------------------------------------------------------- | Web Routes |-------------------------------------------------------------------------- | | Here is where you can register web routes for your application. These | routes are loaded by the RouteServiceProvider within a group which | contains the "web" middleware group. Now create something great! | */

/* Backend Routes */

/Dashboard******/

Route::get('/dash','Backend\DashboardController@index');

/***********Home Page **********************/

Route::get('/dashboard', 'Backend\HomeController@index'); Route::get('/home/edit/{id}', 'Backend\HomeController@edit'); Route::get('/home/create', 'Backend\HomeController@create'); Route::post('home/create','Backend\HomeController@store'); Route::delete('/homedelete/{id}', 'Backend\HomeController@destroy'); //Route::PATCH('home/edit/{id}','Backend\HomeController@update'); //Route::delete('home/{id}',['as'=>'home.destroy','uses'=>'Backend\HomeController@destroy']); Route::patch('home/{id}',['as'=>'home.update','uses'=>'Backend\HomeController@update']);

/Causes***************/ Route::get('admin/causes', 'Backend\CausesController@index'); Route::get('/admin/causes/edit/{id}', 'Backend\CausesController@edit'); Route::get('admin/causes/create', 'Backend\CausesController@create'); Route::post('admin/causes/create','Backend\CausesController@store'); Route::PATCH('admin/causes/edit/{id}','Backend\CausesController@update'); Route::patch('admin/causes/{id}',['as'=>'causes.update','uses'=>'Backend\CausesController@update']); Route::delete('admin/causes/{id}',['as'=>'causes.destroy','uses'=>'Backend\CausesController@destroy']);

/project******************************/ Route::get('/admin/project', 'Backend\ProjectController@index'); Route::get('/admin/project/edit/{id}', 'Backend\ProjectController@edit'); Route::get('/admin/project/create', 'Backend\ProjectController@create'); Route::post('admin/project/create',['as'=>'project.create','uses'=>'Backend\ProjectController@store']); Route::PATCH('admin/project/edit/{id}','Backend\ProjectController@update'); Route::patch('admin/project/{id}',['as'=>'project.update','uses'=>'Backend\ProjectController@update']); Route::delete('admin/project/{id}',['as'=>'project.destroy','uses'=>'Backend\ProjectController@destroy']);

/Event*********************************/ Route::get('/admin/events', 'Backend\EventController@index'); Route::get('/admin/events/create', 'Backend\EventController@create'); Route::post('/admin/events/create','Backend\EventController@store'); Route::delete('admin/events/{id}',['as'=>'events.destroy','uses'=>'Backend\EventController@destroy']); Route::get('/admin/events/edit/{id}', 'Backend\EventController@edit'); Route::PATCH('admin/events/edit/{id}','Backend\EventController@update'); Route::patch('admin/events/{id}',['as'=>'events.update','uses'=>'Backend\EventController@update']);

/history*********************/ Route::get('/admin/about/history', 'Backend\HistoryController@index'); Route::get('/admin/about/history/create', 'Backend\HistoryController@create'); Route::post('/admin/about/history/create','Backend\HistoryController@store'); Route::delete('admin/about/history/{id}',['as'=>'history.destroy','uses'=>'Backend\HistoryController@destroy']); Route::get('/admin/about/history/edit/{id}', 'Backend\HistoryController@edit'); Route::PATCH('admin/about/history/edit/{id}','Backend\HistoryController@update'); Route::patch('admin/about/history/{id}',['as'=>'history.update','uses'=>'Backend\HistoryController@update']);

/Address********************/ Route::get('/admin/about/address', 'Backend\ContactController@index'); Route::get('/admin/about/address/create', 'Backend\ContactController@create'); Route::post('/admin/about/address/create','Backend\ContactController@store'); Route::delete('admin/about/address/{id}',['as'=>'contact.destroy','uses'=>'Backend\ContactController@destroy']); Route::get('/admin/about/address/edit/{id}', 'Backend\ContactController@edit'); Route::PATCH('admin/about/address/edit/{id}','Backend\ContactController@update'); Route::patch('admin/about/address/{id}',['as'=>'contact.update','uses'=>'Backend\ContactController@update']);

Route::get('/admin/message', 'Backend\MessageController@index'); Route::delete('admin/message/{id}',['as'=>'message.destroy','uses'=>'Backend\MessageController@destroy']);

/Category******************************/ Route::get('/admin/category', 'Backend\CategoryController@index'); Route::get('/admin/category/edit/{id}', 'Backend\CategoryController@edit'); Route::get('/admin/category/create', 'Backend\CategoryController@create'); Route::post('admin/category/create',['as'=>'category.create','uses'=>'Backend\CategoryController@store']); Route::PATCH('admin/category/edit/{id}','Backend\CategoryController@update'); Route::patch('admin/category/{id}',['as'=>'category.update','uses'=>'Backend\CategoryController@update']); Route::delete('admin/category/{id}',['as'=>'category.destroy','uses'=>'Backend\CategoryController@destroy']);

/Tag******************************/ Route::get('/admin/tag', 'Backend\TagController@index'); Route::get('/admin/tag/edit/{id}', 'Backend\TagController@edit'); Route::get('/admin/tag/create', 'Backend\TagController@create'); Route::post('admin/tag/create',['as'=>'tag.create','uses'=>'Backend\TagController@store']); Route::PATCH('admin/tag/edit/{id}','Backend\TagController@update'); Route::patch('admin/tag/{id}',['as'=>'tag.update','uses'=>'Backend\TagController@update']); Route::delete('admin/tag/{id}',['as'=>'tag.destroy','uses'=>'Backend\TagController@destroy']);

/blog****************/

Route::get('/blogs', 'Backend\BlogController@index'); Route::get('/posts/create', 'Backend\BlogController@create'); Route::get('/posts/edit/{id}', 'Backend\BlogController@edit'); Route::post('/posts/', 'Backend\BlogController@store'); Route::patch('/posts/{id}', ['as'=>'blog.update','uses'=>'Backend\BlogController@update']);

/Gallery********************/

Route::get('gallery/list', 'Backend\GalleryController@viewGalleryList'); Route::post('gallery/save', 'Backend\GalleryController@saveGallery'); Route::get('gallery/view/{id}', 'Backend\GalleryController@viewGalleryPics'); Route::post('image/do-upload', 'Backend\GalleryController@doImageUpload'); Route::get('gallery/delete/{id}','Backend\GalleryController@deleteGallery');

/* Frontend Routes */

Route::get('/', 'Frontend\HomeController@index'); Route::get('project', 'Frontend\ProjectController@index');

Route::get('/aboutus', 'Frontend\AboutUsController@index'); Route::post('/message/create','Frontend\MessageController@store');

Route::get('causes', 'Frontend\CausesController@index');

Route::get('/cause-single/{slug}', 'Frontend\CausesController@index_detail');

Route::get('blog','Frontend\BlogController@index');

Route::get('project-detail/{slug}', 'Frontend\ProjectController@index_detail'); Route::get('gallery', 'Frontend\GalleryController@index');

Route::get('event', 'Frontend\EventController@index'); Route::get('event-detail/{slug}', 'Frontend\EventController@index_detail'); Route::get('volunteer', function () { return view('frontend/volunteer'); }); Route::post('/volunteer/create','Frontend\VolunteerController@store'); Route::get('Mission_&_Vision', function () { return view('frontend/our mission'); }); Route::get('project_sustainability', function () { return view('frontend/Project-Sustainablity'); });

Route::get('contactus', function () { return view('frontend/contactus'); }); Route::get('team', function () { return view('frontend/team'); }); Route::get('testimonials', function () { return view('frontend/testimonials'); });

Route::post('/posts/{post}/comments', 'Frontend\CommentController@store'); Route::get('/posts/{post}', 'Frontend\BlogController@show'); Route::get('/posts/tags/{tag}', 'Frontend\TagController@index');

Route::get('user/index', 'Backend\UserController@index'); Route::delete('user/index/{id}',['as'=>'user.destroy','uses'=>'Backend\UserController@destroy']);

Auth::routes();

Route::get('logout', '\App\Http\Controllers\Auth\LoginController@logout');