Weird open_base dir warning on file GeoLite2-Country.mmdb

I run Matomo 3.11.0. When going to settings it shows plenty identical warning:

WARNING: /var/www/mysite/data/www/ Warning - file_exists(): open_basedir restriction in effect. File(/var/www/mysite/data/www/ is not within the allowed path(s): (/var/www/mysite/data:.) - Matomo 3.11.0 - Please report this message in the Matomo forums: (please do a search first as it might have been reported already)

/var/www/mysite/data/www/ is in the open basedir path: