Issue With Hearthlings

I Dont know if anybody else has gotten this issue and i love this game beyond all , and im not sure if this is specfic to raynas children but whenever i build the forge prefab they literally stop building it leaving all the scaffolds up something after a much longer time than normal they might finish it but quite a few times they have just left the scaffolds up and not even finished the building and after the forge prefab they take longer and longer to finish these buildings if anyone including the devs or players could help me with this i would like to insight in ethier how to fix it or just to know if anybody else has experienced this issue and if so could the devs please maybe find out whats going on and get back to me , i love this game and just want to maybe help better its issues thank you and have a good day =P