Is this intended ? active skill on item limit

https://i.redditmedia.com/ZEoMhgwsL7gehSb6Z7N8RcqGN0gPGpinO44N7g8L-Co.png?w=1024&s=530eba12017959e8a6bfda92526163bb

I tried crafting Aspect skill on a item with Grant 22 Enduring cry
and the system it already has the mod of same type.
So is there hard limit on it ?



https://www.reddit.com/r/pathofexile/comments/86k6g6/is_this_intended_or_rip_dream/?st=jf3y2hec&sh=e07dacfd