I have installed the extension:
While installing, I have encountered and solved the following issues:
- «is_file() expects parameter 1 to be a valid path, string given»
- «Namespace declaration statement has to be the very first statement in the script in OrangeHill/AjaxNewsletter/Controller/Kickstarter/Ajax.php»
- «Incorrect dependency in class OrangeHill\Article\Controller\Adminhtml\ArticleGrid\Save: \Magento\Framework\UrlInterface already exists in context object»