Link-List of URL is disabled

Hi all,

I installed YaCy successfully on my server, chose the “Search portal for your own web pages” option, tried to index my site and search through it, and everything works great.

But my use case is to index a list of sites (<500) not only my site. The problem is the option “Link-List of URL” under " Site Crawling" is disabled, and I can’t click on it.

I installed YaCy on my own VPS, used a custom domain, and enabled SSL using “Let’s encrypt.”