Summary of the problem OpenComputers mod not work Pack Version 1.0.0 What is the bug? OpenComputers not work propertly with Forge (1.12.2-Forge18.104.22.16875) used in this mod version. How to reproduce: Start creative mode. Place Computer case (creative) block in world. Rigth click case and press "power on" button in computer interface. Nothing happens. Expected behavitor: Computer beep and error message if using incomplete computer or normal computer start if using fully assembled computer. Mod & Version OpenComputers-MC1.12.1-22.214.171.124 Link to log file http://paste.feed-the-beast.com/view/6d8f32ba Is it repeatable? Yes Known Fix I try use Forge 1.12.2 - 126.96.36.1995 and OpenComputers start working. But astralsorcery mod in modpack ask for newer forge version so I remove it during this test.