Error message after update

after updating CF7 today, i received an error warning from wordpress:

Error Details
=============
An error of type E_ERROR was caused in line 3 of the file /home/domains/vol1/012/3247012/user/htdocs/wp-content/plugins/contact-form-7/modules/constant-contact/constant-contact.php. Error message: Uncaught Error: Call to undefined function wpcf7_include_module_file() in /home/domains/vol1/012/3247012/user/htdocs/wp-content/plugins/contact-form-7/modules/constant-contact/constant-contact.php:3
Stack trace:
#0 /home/domains/vol1/012/3247012/user/htdocs/wp-content/plugins/contact-form-7/load.php(84): include_once()
#1 /home/domains/vol1/012/3247012/user/htdocs/wp-content/plugins/contact-form-7/load.php(42): WPCF7::load_module('constant-contac...')
#2 /home/domains/vol1/012/3247012/user/htdocs/wp-content/plugins/contact-form-7/load.php(138): WPCF7::load_modules()
#3 /home/domains/vol1/012/3247012/user/htdocs/wp-includes/class-wp-hook.php(301): wpcf7()
#4 /home/domains/vol1/012/3247012/user/htdocs/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(NULL, Array)
#5 /home/domains/vol1/012/3247012/user/htdocs/wp-includes/plugin.php(470): WP_Hook->do_action(Array)
#6 /home/domains/vol1/012/3247012/user/htdocs/wp-settings.php(441): do_action('plugins_loaded')
#7 /home/domains/vol1/012/3247012/user/htdocs/