datatable.directory/app/Models/BaseModel.php

<?php


namespace App\Models;


use Illuminate\Database\Eloquent\Model;

class BaseModel extends Model
{
    public function getAttribute($key)
    {
        if (! $key) {
            throw new \LogicException("No attribute ".var_export($key, true));
        }

        return parent::getAttribute($key);
    }

    /**
     * Get a relationship.
     *
     * @param  string  $key
     * @return mixed
     */
    public function getRelationValue($key)
    {
        if (!method_exists($this, $key)) {
            throw new \LogicException("No attribute or relation ".var_export($key, true));
        }

        return parent::getRelationValue($key);
    }
}