Hi there -- "advanced" and "civilization" are pretty problematic words in any historical or anthropological context. You may gain some insight from this post from u/RioAbajo, and might also consider cross-posting this to r/AskAnthropology. (The site is old enough to predate written history.)

https://www.reddit.com/r/AskHistorians/comments/3fnuis/does_göbekli_tepe_definitively_change_our/