I found the solution! https://stackoverflow.com/questions/46969131/laravel-5-5-massassignmentexcepti...

Hello. I'm trying to add an import\export feature to my plugin. I followed this guide: https://octob...

Works only if you select Active Node, though. Needs more fixing ;- )

Here, i fixed it :- )

    /**
    plugins\benfreke\menumanager\components\Menu.php
     */
<?php nam...