F:\Users\Techokami\Documents\GitHub\Computronics\build\sources\java\pl\asie\comp
utronics\Computronics.java:217: error: cannot find symbol
                        GameRegistry.addShapedRecipe(new ItemStack(itemRobotUpgr
ade, 1, 0), "mcm", 'c', new ItemStack(camera, 1, 0), 'm', li.cil.oc.api.Items.Mi
croChipTier2);

                                                                             ^
  symbol:   variable MicroChipTier2
  location: class Items
F:\Users\Techokami\Documents\GitHub\Computronics\build\sources\java\pl\asie\comp
utronics\Computronics.java:218: error: cannot find symbol
                        GameRegistry.addShapedRecipe(new ItemStack(itemRobotUpgr
ade, 1, 0), "m", "c", "m", 'c', new ItemStack(camera, 1, 0), 'm', li.cil.oc.api.
Items.MicroChipTier2);


     ^
  symbol:   variable MicroChipTier2
  location: class Items
F:\Users\Techokami\Documents\GitHub\Computronics\build\sources\java\pl\asie\comp
utronics\item\ItemOpenComputers.java:12: error: ItemOpenComputers is not abstrac
t and does not override abstract method createEnvironment(ItemStack,Container) i
n Item
public class ItemOpenComputers extends ItemMultiple implements li.cil.oc.api.dri
ver.Item {
       ^
F:\Users\Techokami\Documents\GitHub\Computronics\build\sources\java\pl\asie\comp
utronics\item\ItemOpenComputers.java:23: error: method does not override or impl
ement a method from a supertype
        @Override
        ^