website down after loading analytics dashboard plugin

After uploading the zip file to WP, the only page that now shows up (can’t even login into WP) is has this:
Warning: include_once(/tools/tools.php): failed to open stream: No such file or directory in /home/s/a/saadmin/www.stevens-assoc.com/wp-content/plugins/google-analytics-dashboard-for-wp/gadwp.php on line 43

Warning: include_once(): Failed opening ‘/tools/tools.php’ for inclusion (include_path=’.:/usr/local/share/pear’) in /home/s/a/saadmin/www.stevens-assoc.com/wp-content/plugins/google-analytics-dashboard-for-wp/gadwp.php on line 43

Fatal error: Class ‘GADASH_Tools’ not found in /home/s/a/saadmin/www.stevens-assoc.com/wp-content/plugins/google-analytics-dashboard-for-wp/gadwp.php on line 44

https://ww.wp.xz.cn/plugins/google-analytics-dashboard-for-wp/