z-song/laravel-admin · error · InvalidArgumentException

json_last_error_msg()

Error message

json_last_error_msg()

What it means

Error "json_last_error_msg()" thrown in z-song/laravel-admin.

Source

Thrown at src/Tree.php:207

     */
    public function disableRefresh()
    {
        $this->useRefresh = false;
    }

    /**
     * Save tree order from a input.
     *
     * @param string $serialize
     *
     * @return bool
     */
    public function saveOrder($serialize)
    {
        $tree = json_decode($serialize, true);

        if (json_last_error() != JSON_ERROR_NONE) {
            throw new \InvalidArgumentException(json_last_error_msg());
        }

        $this->model->saveOrder($tree);

        return true;
    }

    /**
     * Build tree grid scripts.
     *
     * @return string
     */
    protected function script()
    {
        $trans = [
            'delete_confirm'    => str_replace("'", "\'", trans('admin.delete_confirm')),
            'save_succeeded'    => str_replace("'", "\'", trans('admin.save_succeeded')),
            'refresh_succeeded' => str_replace("'", "\'", trans('admin.refresh_succeeded')),

View on GitHub (pinned to 67c441eb78)

When it happens

Trigger: Thrown at src/Tree.php:207 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of z-song/laravel-admin@67c441eb78 (2026-08-21). Data as JSON: /api/errors/525fa93b253d8262. Report an issue: GitHub.