I need a website fixed

I need my website re-configured. I have an online course. there's an error occuring randomly throughout the website upon executing pages. What could it be? Whoops, looks like something went wrong. 2/2 ErrorException in [login to view URL] line 13: Trying to get property of non-object (View: /var/www/html/ecertify/resources/views/[login to view URL]) in [login to view URL] line 13 at CompilerEngine->handleViewException(object(ErrorException), '1') in [login to view URL] line 44 at PhpEngine->evaluatePath('/var/www/html/ecertify/storage/framework/views/[login to view URL]', array('__env' => object(Factory), 'app' => object(Application), 'errors' => object(ViewErrorBag), 'video' => '8')) in [login to view URL] line 59 at CompilerEngine->get('/var/www/html/ecertify/resources/views/[login to view URL]', array('__env' => object(Factory), 'app' => object(Application), 'errors' => object(ViewErrorBag), 'video' => '8')) in [login to view URL] line149 at View->getContents() in [login to view URL] line 120 at View->renderContents() in [login to view URL] line 85 at View->render() in [login to view URL] line 53 at Response->setContent(object(View)) in [login to view URL] line 201 at Response->__construct(object(View)) in [login to view URL] line 1085 at Router->prepareResponse(object(Request), object(View)) in [login to view URL] line 725 at Router->Illuminate\Routing\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 52 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 64 at VerifyCsrfToken->handle(object(Request), object(Closure)) at call_user_func_array(array(object(VerifyCsrfToken), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 49 at ShareErrorsFromSession->handle(object(Request), object(Closure)) at call_user_func_array(array(object(ShareErrorsFromSession), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 64 at StartSession->handle(object(Request), object(Closure)) at call_user_func_array(array(object(StartSession), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 37 at AddQueuedCookiesToResponse->handle(object(Request), object(Closure)) at call_user_func_array(array(object(AddQueuedCookiesToResponse), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 59 at EncryptCookies->handle(object(Request), object(Closure)) at call_user_func_array(array(object(EncryptCookies), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 103 at Pipeline->then(object(Closure)) in [login to view URL] line 726 at Router->runRouteWithinStack(object(Route), object(Request)) in [login to view URL] line 699 at Router->dispatchToRoute(object(Request)) in [login to view URL] line 675 at Router->dispatch(object(Request)) in [login to view URL] line 246 at Kernel->Illuminate\Foundation\Http\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 52 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 44 at CheckForMaintenanceMode->handle(object(Request), object(Closure)) at call_user_func_array(array(object(CheckForMaintenanceMode), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 103 at Pipeline->then(object(Closure)) in [login to view URL] line 132 at Kernel->sendRequestThroughRouter(object(Request)) in [login to view URL] line 99 at Kernel->handle(object(Request)) in [login to view URL] line 54 1/2 ErrorException in [login to view URL] line 13: Trying to get property of non-object in [login to view URL] line 13 at HandleExceptions->handleError('8', 'Trying to get property of non-object', '/var/www/html/ecertify/storage/framework/views/[login to view URL]', '13', array('__path' => '/var/www/html/ecertify/storage/framework/views/[login to view URL]', '__data' => array('__env' => object(Factory), 'app' => object(Application), 'errors' => object(ViewErrorBag), 'video' => '8'), 'obLevel' => '1', '__env' => object(Factory), 'app' => object(Application), 'errors' => object(ViewErrorBag), 'video' => '8', 'url' => '[login to view URL]', 'data' => array('URL' => '[login to view URL]'))) [login to view URL] line 13 at include('/var/www/html/ecertify/storage/framework/views/[login to view URL]') in [login to view URL] line 42 at PhpEngine->evaluatePath('/var/www/html/ecertify/storage/framework/views/[login to view URL]', array('__env' => object(Factory), 'app' => object(Application), 'errors' => object(ViewErrorBag), 'video' => '8')) in [login to view URL] line 59 at CompilerEngine->get('/var/www/html/ecertify/resources/views/[login to view URL]', array('__env' => object(Factory),'app' => object(Application), 'errors' => object(ViewErrorBag), 'video' => '8')) in [login to view URL] line 149 at View->getContents() in [login to view URL] line 120 at View->renderContents() in [login to view URL] line 85 at View->render() in [login to view URL] line 53 at Response->setContent(object(View)) in [login to view URL] line 201 at Response->__construct(object(View)) in [login to view URL] line 1085 at Router->prepareResponse(object(Request), object(View)) in [login to view URL] line 725 at Router->Illuminate\Routing\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 52 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 64 at VerifyCsrfToken->handle(object(Request), object(Closure)) at call_user_func_array(array(object(VerifyCsrfToken), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 49 at ShareErrorsFromSession->handle(object(Request), object(Closure)) at call_user_func_array(array(object(ShareErrorsFromSession), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 64 at StartSession->handle(object(Request), object(Closure)) at call_user_func_array(array(object(StartSession),'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 37 at AddQueuedCookiesToResponse->handle(object(Request), object(Closure)) at call_user_func_array(array(object(AddQueuedCookiesToResponse), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 59 at EncryptCookies->handle(object(Request),object(Closure)) at call_user_func_array(array(object(EncryptCookies), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 103 at Pipeline->then(object(Closure)) in [login to view URL] line 726 at Router->runRouteWithinStack(object(Route),object(Request)) in [login to view URL] line 699 at Router->dispatchToRoute(object(Request)) in [login to view URL] line 675 at Router->dispatch(object(Request)) in [login to view URL] line 246 at Kernel->Illuminate\Foundation\Http\{closure}(object(Request)) at call_user_func(object(Closure),object(Request)) in [login to view URL] line 52 at Pipeline->Illuminate\Routing\{closure}(object(Request)) in [login to view URL] line 44 at CheckForMaintenanceMode->handle(object(Request), object(Closure)) at call_user_func_array(array(object(CheckForMaintenanceMode), 'handle'), array(object(Request), object(Closure))) in [login to view URL] line 136 at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 32 at Pipeline->Illuminate\Routing\{closure}(object(Request)) at call_user_func(object(Closure), object(Request)) in [login to view URL] line 103 at Pipeline->then(object(Closure)) in [login to view URL] line 132 at Kernel->sendRequestThroughRouter(object(Request)) in [login to view URL] line 99 at Kernel->handle(object(Request)) in [login to view URL] line 54