call_user_func(): Argument #1 ($callback) must be a valid callback, array must have exactly two members. Backpack Laravel

Question

I got this error after I add type checklist in setupCreateOperationFunction. I want a checklist input fields in my form to insert data in my database. But its shows error:

call_user_func(): Argument #1 ($callback) must be a valid callback, array must have exactly two members.

Model File(JobPost.php)

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class JobPost extends Model
{
use \Backpack\CRUD\app\Models\Traits\CrudTrait;
use HasFactory;

protected $fillable = [
    'title', 'description', 'job_type', 'work_mode', 'status'
];

protected $casts = [
    'job_type' => 'array',
    'work_mode' => 'array',
]; 
}

JobPostCrudController.php

namespace App\Http\Controllers\Admin;

use App\Http\Requests\JobPostRequest;
use Backpack\CRUD\app\Http\Controllers\CrudController;
use Backpack\CRUD\app\Library\CrudPanel\CrudPanelFacade as CRUD;

/**
 * Class JobPostCrudController
 * @package App\Http\Controllers\Admin
 * @property-read \Backpack\CRUD\app\Library\CrudPanel\CrudPanel $crud
 */
class JobPostCrudController extends CrudController
{
    use \Backpack\CRUD\app\Http\Controllers\Operations\ListOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\CreateOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\UpdateOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\DeleteOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\ShowOperation;

/**
 * Configure the CrudPanel object. Apply settings to all operations.
 * 
 * @return void
 */
public function setup()
{
    CRUD::setModel(\App\Models\JobPost::class);
    CRUD::setRoute(config('backpack.base.route_prefix') . '/job-post');
    CRUD::setEntityNameStrings('job post', 'Job Posts');
}

/**
 * Define what happens when the List operation is loaded.
 * 
 * @see  https://backpackforlaravel.com/docs/crud-operation-list-entries
 * @return void
 */
protected function setupListOperation()
{
    /**
     * Columns can be defined using the fluent syntax or array syntax:
     * - CRUD::column('price')->type('number');
     * - CRUD::addColumn(['name' => 'price', 'type' => 'number']); 
     */

    CRUD::addColumn([
        'name' => 'title',
        'label' => 'Job Title',
    ]);
    CRUD::column('description');
    CRUD::addColumn([
        'name' => 'job_type',
        'label' => 'Job Type',
        'type' => 'text',
    ]);
    CRUD::addColumn([
        'name' => 'work_mode',
        'label' => 'On-site/Remote',
        'type' => 'text',
    ]);
    CRUD::column('status');
}

/**
 * Define what happens when the Create operation is loaded.
 * 
 * @see https://backpackforlaravel.com/docs/crud-operation-create
 * @return void
 */
protected function setupCreateOperation()
{
    CRUD::setValidation(JobPostRequest::class);

    /**
     * Fields can be defined using the fluent syntax or array syntax:
     * - CRUD::field('price')->type('number');
     * - CRUD::addField(['name' => 'price', 'type' => 'number'])); 
     */

    CRUD::addField([
        'name' => 'title',
        'label' => 'Job Title',
    ]);
    CRUD::field('description');
    CRUD::addField([
        'name' => 'job_type',
        'label' => 'Job Type',
        'type' => 'checklist',
        'options' => [
            'Full Time' => 'Full Time',
            'Part Time' => 'Part Time',
            'Contract' => 'Contract'
        ],
        'model'     => "App\Models\JobPost",
        'pivot'     => false,
    ]);
    CRUD::addField(['name' => 'status', 'type' => 'enum']);
}

/**
 * Define what happens when the Update operation is loaded.
 * 
 * @see https://backpackforlaravel.com/docs/crud-operation-update
 * @return void
 */
protected function setupUpdateOperation()
{
    $this->setupCreateOperation();
}

call_user_func(): Argument #1 ($callback) must be a valid callback, array must have exactly two members. Backpack Laravel

0 Answers0