Troxitys

Hello everyone, I have a problem which I can not solve When i start the FTB Horizens Modpack at Curse, i always get this Error Message in my launcher: The mods and versions listed below could not be found: tconstruct minimum version required is 1.5.3 Sb has the same problem, but i dont undertstand how he has solved it! THX, Troxitys PS: Gerne auf deutsch schreiben wenn es geht