protected function setNonExistent($nonexistent)
    {
        if ($nonexistent) {
            $translatedNonexistent = [];
            foreach($nonexistent as $right=>$values) {
                foreach($values as $key=>$value) {
                    if ($key == 'menu') {
                        continue;
                    }
                    $translatedNonexistent[$right][$this->_(ucfirst($key))] = $value;
                }
            }

            $this->indexParameters['tableTitle']  = $this->_('Assigned but nonexistent privileges');
            $this->indexParameters['tableData']   = $translatedNonexistent;
            $this->indexParameters['tableNested'] = true;

            $this->indexStopSnippets[] = 'Generic\\DataTableSnippet';
        }
    }