Кому актуально исправить надписи в меню Undefined variable: entry_seo_url_type
вносим правки в два файла
..\admin\controller\setting\setting.php
после строки
$data['entry_seo_url'] = $this->language->get('entry_seo_url');
добавляем
$data['entry_seo_url_type'] = $this->language->get('entry_seo_url_type');
$data['entry_seo_url_include_path'] = $this->language->get('entry_seo_url_include_path');
$data['entry_seo_url_postfix'] = $this->language->get('entry_seo_url_postfix');
$data['help_seo_url_include_path'] = $this->language->get('help_seo_url_include_path');
$data['help_seo_url_postfix'] = $this->language->get('help_seo_url_postfix');
..\admin\language\english\setting\setting.php
после строки
$_['entry_seo_url'] = 'Use SEO URLs';
добавляем
$_['entry_seo_url_type'] = 'SEO URLs type';
$_['entry_seo_url_include_path'] = 'SEO URLs type';
$_['entry_seo_url_postfix'] = 'SEO URLs postfix';
$_['help_seo_url_include_path'] = 'SEO URLs type';
$_['help_seo_url_postfix'] = 'SEO URLs postfix';
