solidtime/app/Exceptions/Api/OnlyPlaceholdersCanBeMergedIntoAnotherMember.php

<?php

declare(strict_types=1);

namespace App\Exceptions\Api;

class OnlyPlaceholdersCanBeMergedIntoAnotherMember extends ApiException
{
    public const string KEY = 'only_placeholders_can_be_merged_into_another_member';

    public function report(): bool
    {
        return true;
    }
}