solidtime/app/Exceptions/ApiException.php

<?php

declare(strict_types=1);

namespace App\Exceptions;

use Exception;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class ApiException extends Exception
{
    /**
     * Render the exception into an HTTP response.
     */
    public function render(Request $request): JsonResponse
    {
        return response()
            ->json([
                'error' => true,
                'message' => $this->getMessage(),
            ], 400);
    }
}