senzavento

Yes, main site dashboard.
At now i ha only main site. I need to install site another Language in a subfolder of main site.

The table that i deleted are:
1.wp_blogs
2.wp_blog_versions
3.wp_registration_log
4.wp_signups
5.wp_site
6.wp_sitemeta

WordPress version is the last, 4.
Thank you very much.

Hi, thank you,
network setup page from tools -> network setup menù.
A.