Fixed UnitReq parsing

core/src/mindustry/world/blocks/campaign/Accelerator.java

@@ -21,7 +21,7 @@ public class Accelerator extends Block{
     public @Load("launch-arrow") TextureRegion arrowRegion;
 
     public Block launching = Blocks.coreNucleus;
-    public int[] capacities;
+    public int[] capacities = {};
 
     public Accelerator(String name){
         super(name);

core/src/mindustry/world/blocks/units/Reconstructor.java

@@ -24,7 +24,7 @@ import static mindustry.Vars.*;
 public class Reconstructor extends UnitBlock{
     public float constructTime = 60 * 2;
     public Seq<UnitType[]> upgrades = new Seq<>();
-    public int[] capacities;
+    public int[] capacities = {};
 
     public Reconstructor(String name){
         super(name);

core/src/mindustry/world/blocks/units/UnitFactory.java

@@ -24,7 +24,7 @@ import mindustry.world.consumers.*;
 import mindustry.world.meta.*;
 
 public class UnitFactory extends UnitBlock{
-    public int[] capacities;
+    public int[] capacities = {};
 
     public Seq<UnitPlan> plans = new Seq<>(4);