Doesn't work period

This plugin doesn’t work at all. It just returns this error:

Fatal error: Call to private WPCF7_ContactForm::__construct() from context 'GFCF7_Import' in /home/visify/public_html/interspeaktrans.com/wp-content/plugins/contact-form-7-gravity-forms/contact-form-7-gravity-forms.php on line 155

https://wordpress.org/plugins/contact-form-7-gravity-forms/