error on latest update

[07-May-2019 14:36:57 UTC] PHP Warning: require(/home/xxxxx…./public_html/wp-content/plugins/google-calendar-events/vendor/composer/../react/promise/src/functions_include.php): failed to open stream: No such file or directory in /home/xxxxx…../public_html/wp-content/plugins/google-calendar-events/vendor/composer/autoload_real.php on line 66

This crashes our dashboard