Error

We're sorry, but an unhandled error occurred. Please see the details below.

Call to a member function courses() on null

~/plugins/acme/training/controllers/TrainingController.php line 51

        AND LCASE(city) = '".$identifiers[1]."' 
        AND LCASE(project_no) = '".$identifiers[2]."'")
        ->first();
 
        $pageContent = TrainingEventsModel::whereRaw("LCASE(country) = '".$identifiers[0]."' AND LCASE(city) = '".$identifiers[1]."' AND LCASE(project_no) = '".$identifiers[2]."'")->first();
 
        $course = $pageContent->courses()->first();
 
        return \Response::view('acme.training::training-event', ['pageContent' => $pageContent, 'training_event' => $training_event,  'course' => $course]);
        // return $training_event;
    }
 
    public function preregister($event_id){

Stack trace

# Called Code Document Line
19 Acme\Training\Controllers\TrainingController->event() ~/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php 48
18 Illuminate\Routing\ControllerDispatcher->dispatch() ~/vendor/laravel/framework/src/Illuminate/Routing/Route.php 219
17 Illuminate\Routing\Route->runController() ~/vendor/laravel/framework/src/Illuminate/Routing/Route.php 176
16 Illuminate\Routing\Route->run() ~/vendor/laravel/framework/src/Illuminate/Routing/Router.php 681
15 Illuminate\Routing\Router->Illuminate\Routing\{closure}() ~/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php 130
14 Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() ~/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php 105
13 Illuminate\Pipeline\Pipeline->then() ~/vendor/laravel/framework/src/Illuminate/Routing/Router.php 683
12 Illuminate\Routing\Router->runRouteWithinStack() ~/vendor/laravel/framework/src/Illuminate/Routing/Router.php 658
11 Illuminate\Routing\Router->runRoute() ~/vendor/laravel/framework/src/Illuminate/Routing/Router.php 624
10 Illuminate\Routing\Router->dispatchToRoute() ~/vendor/october/rain/src/Router/CoreRouter.php 31
9 October\Rain\Router\CoreRouter->dispatch() ~/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php 170
8 Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http\{closure}() ~/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php 130
7 Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() ~/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php 63
6 Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode->handle() ~/vendor/october/rain/src/Foundation/Http/Middleware/CheckForMaintenanceMode.php 23
5 October\Rain\Foundation\Http\Middleware\CheckForMaintenanceMode->handle() ~/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php 171
4 Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() ~/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php 105
3 Illuminate\Pipeline\Pipeline->then() ~/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php 145
2 Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter() ~/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php 110
1 Illuminate\Foundation\Http\Kernel->handle() ~/index.php 43