vuefilemanager/src/Support/errors.php

<?php

    function accessDeniedError(): array
    {
        return [
            'type'    => 'error',
            'message' => 'Access Denied',
        ];
    }

    function userActionNotAllowedError(): array
    {
        return [
            'type'    => 'error',
            'message' => 'This user action is not allowed.',
        ];
    }