Fatal error: Uncaught Error: Call to undefined function WP_STATISTICS\add_filter() in /usr/home/FixAGD/domains/dabrowagornicza.org.pl/public_html/wp-content/plugins/wp-statistics/includes/class-wp-statistics-frontend.php:11
Stack trace:
#0 /usr/home/FixAGD/domains/dabrowagornicza.org.pl/public_html/wp-content/plugins/wp-statistics/includes/class-wp-statistics-frontend.php(131): WP_STATISTICS\Frontend->__construct()
#1 {main}
  thrown in /usr/home/FixAGD/domains/dabrowagornicza.org.pl/public_html/wp-content/plugins/wp-statistics/includes/class-wp-statistics-frontend.php on line 11