WP Multilang Plugin does not work

[vsatmydynipnet]

Wenn adding the wp-multilang module it is impossible to add a additional language because it always redirects to the sso login page. The rest of the plugin works, as it looks like.

To add a additional language I temporary changed:

@@ -37,34 +37,34 @@
     listen [::]:443 ssl http2;
     server_name selfhostervps.com;
 
-    include /etc/nginx/conf.d/security.conf.inc;
+#    include /etc/nginx/conf.d/security.conf.inc;
 
     ssl_certificate /etc/yunohost/certs/selfhostervps.com/crt.pem;
     ssl_certificate_key /etc/yunohost/certs/selfhostervps.com/key.pem;
 
     
-    more_set_headers "Strict-Transport-Security : max-age=63072000; includeSubDomains; preload";
+#    more_set_headers "Strict-Transport-Security : max-age=63072000; includeSubDomains; preload";
     
     
-    # OCSP settings
-    ssl_stapling on;
-    ssl_stapling_verify on;
-    ssl_trusted_certificate /etc/yunohost/certs/selfhostervps.com/crt.pem;
-    resolver 127.0.0.1 127.0.1.1 valid=300s;
-    resolver_timeout 5s;
+#    # OCSP settings
+#    ssl_stapling on;
+#    ssl_stapling_verify on;
+#    ssl_trusted_certificate /etc/yunohost/certs/selfhostervps.com/crt.pem;
+#    resolver 127.0.0.1 127.0.1.1 valid=300s;
+#    resolver_timeout 5s;
     
 
-    location ^~ '/.well-known/autoconfig/mail/' {
-        alias /var/www/.well-known/selfhostervps.com/autoconfig/mail/;
-    }
+#    location ^~ '/.well-known/autoconfig/mail/' {
+#        alias /var/www/.well-known/selfhostervps.com/autoconfig/mail/;
+#    }
 
-    access_by_lua_file /usr/share/ssowat/access.lua;
+#    access_by_lua_file /usr/share/ssowat/access.lua;
 
     include /etc/nginx/conf.d/selfhostervps.com.d/*.conf;
 
-    include /etc/nginx/conf.d/yunohost_sso.conf.inc;
-    include /etc/nginx/conf.d/yunohost_admin.conf.inc;
-    include /etc/nginx/conf.d/yunohost_api.conf.inc;
+#    include /etc/nginx/conf.d/yunohost_sso.conf.inc;
+#    include /etc/nginx/conf.d/yunohost_admin.conf.inc;
+#    include /etc/nginx/conf.d/yunohost_api.conf.inc;
 
     access_log /var/log/nginx/selfhostervps.com-access.log;
     error_log /var/log/nginx/selfhostervps.com-error.log;

and restartet nginx. after adding the language i rolled back the original file