Hello.
The following error occurs, if WP-Cumulus v1.23 AND PopularPost Aink v4.0 is active:
Fatal error: Cannot redeclare wp_cumulus_widget() (previously declared in /www/htdocs/w0xxxx/wp-content/plugins/wp-cumulus/wp-cumulus.php:305) in /www/htdocs/w0xxxx/wp-content/plugins/wp-cumulus/wp-cumulus.php on line 305
Thanks for help!
effeksys