diff --git a/core/src/io/anuke/mindustry/game/Objectives.java b/core/src/io/anuke/mindustry/game/Objectives.java
index c901fe4f68..340346bc13 100644
--- a/core/src/io/anuke/mindustry/game/Objectives.java
+++ b/core/src/io/anuke/mindustry/game/Objectives.java
@@ -3,6 +3,7 @@ package io.anuke.mindustry.game;
 import io.anuke.arc.*;
 import io.anuke.arc.util.ArcAnnotate.*;
 import io.anuke.mindustry.type.*;
+import io.anuke.mindustry.world.*;
 
 /** Holds objective classes. */
 public class Objectives{
@@ -30,22 +31,22 @@ public class Objectives{
     }
 
     public static class Unlock implements Objective{
-        public @NonNull UnlockableContent content;
+        public @NonNull Block block;
 
-        public Unlock(UnlockableContent content){
-            this.content = content;
+        public Unlock(Block block){
+            this.block = block;
         }
 
         protected Unlock(){}
 
         @Override
         public boolean complete(){
-            return content.unlocked();
+            return block.unlocked();
         }
 
         @Override
         public String display(){
-            return Core.bundle.format("requirement.unlock", content.localizedName);
+            return Core.bundle.format("requirement.unlock", block.localizedName);
         }
     }
 
diff --git a/core/src/io/anuke/mindustry/mod/ContentParser.java b/core/src/io/anuke/mindustry/mod/ContentParser.java
index 06c06f96e5..d83ce429ac 100644
--- a/core/src/io/anuke/mindustry/mod/ContentParser.java
+++ b/core/src/io/anuke/mindustry/mod/ContentParser.java
@@ -40,7 +40,7 @@ public class ContentParser{
         put(BulletType.class, (type, data) -> {
             Class<? extends BulletType> bc = data.has("type") ? resolve(data.getString("type"), "io.anuke.mindustry.entities.bullets") : BasicBulletType.class;
             data.remove("type");
-            BulletType result = bc.getDeclaredConstructor().newInstance();
+            BulletType result = make(bc);
             readFields(result, data);
             return result;
         });
@@ -62,9 +62,9 @@ public class ContentParser{
             return Core.assets.get(path);
         });
         put(Objective.class, (type, data) -> {
-            Class<? extends Objective> oc = data.has("type") ? resolve(data.getString("type"), "io.anuke.mindustry.game.objectives") : ZoneWave.class;
+            Class<? extends Objective> oc = data.has("type") ? resolve(data.getString("type"), "io.anuke.mindustry.game.Objectives") : ZoneWave.class;
             data.remove("type");
-            Objective obj = oc.getDeclaredConstructor().newInstance();
+            Objective obj = make(oc);
             readFields(obj, data);
             return obj;
         });
@@ -123,6 +123,7 @@ public class ContentParser{
             );
 
             Block block = type.getDeclaredConstructor(String.class).newInstance(mod + "-" + name);
+            currentContent = block;
             read(() -> {
                 if(value.has("consumes")){
                     for(JsonValue child : value.get("consumes")){
@@ -167,6 +168,7 @@ public class ContentParser{
 
             Class<BaseUnit> type = resolve(value.getString("type"), "io.anuke.mindustry.entities.type.base");
             UnitType unit = new UnitType(mod + "-" + name, supply(type));
+            currentContent = unit;
             read(() -> readFields(unit, value, true));
 
             return unit;
@@ -187,6 +189,7 @@ public class ContentParser{
 
                 item = constructor.get(mod + "-" + name);
             }
+            currentContent = item;
             read(() -> readFields(item, value));
             return item;
         };
@@ -233,7 +236,11 @@ public class ContentParser{
     }
 
     public void finishParsing(){
-        reads.each(Runnable::run);
+        try{
+            reads.each(Runnable::run);
+        }catch(Exception e){
+            throw new RuntimeException("Error occurred parsing content: " + currentContent, e);
+        }
         reads.clear();
     }
 
@@ -261,6 +268,16 @@ public class ContentParser{
         return c;
     }
 
+    private <T> T make(Class<T> type){
+        try{
+            java.lang.reflect.Constructor<T> cons = type.getDeclaredConstructor();
+            cons.setAccessible(true);
+            return cons.newInstance();
+        }catch(Exception e){
+            throw new RuntimeException(e);
+        }
+    }
+
     private <T> Supplier<T> supply(Class<T> type){
         try{
             java.lang.reflect.Constructor<T> cons = type.getDeclaredConstructor();
@@ -374,9 +391,13 @@ public class ContentParser{
             try{
                 return (Class<T>)Class.forName(type + '.' + base);
             }catch(Exception ignored){
+                try{
+                    return (Class<T>)Class.forName(type + '$' + base);
+                }catch(Exception ignored2){
+                }
             }
         }
-        throw new IllegalArgumentException("Type not found: " + potentials[0]);
+        throw new IllegalArgumentException("Types not found: " + base + "." + potentials[0]);
     }
 
     private interface FieldParser{
diff --git a/core/src/io/anuke/mindustry/ui/dialogs/ZoneInfoDialog.java b/core/src/io/anuke/mindustry/ui/dialogs/ZoneInfoDialog.java
index cf65340627..7a7d716294 100644
--- a/core/src/io/anuke/mindustry/ui/dialogs/ZoneInfoDialog.java
+++ b/core/src/io/anuke/mindustry/ui/dialogs/ZoneInfoDialog.java
@@ -84,9 +84,9 @@ public class ZoneInfoDialog extends FloatingDialog{
                             r.add("$research.list").colspan(2).left();
                             r.row();
                             for(Unlock blocko : blocks){
-                                r.addImage(blocko.content.icon(Cicon.small)).size(8 * 3).padRight(5);
-                                r.add(blocko.content.localizedName).color(Color.lightGray).left();
-                                r.addImage(blocko.content.unlocked() ? Icon.checkSmall : Icon.cancelSmall, blocko.content.unlocked() ? Color.lightGray : Color.scarlet).padLeft(3);
+                                r.addImage(blocko.block.icon(Cicon.small)).size(8 * 3).padRight(5);
+                                r.add(blocko.block.localizedName).color(Color.lightGray).left();
+                                r.addImage(blocko.block.unlocked() ? Icon.checkSmall : Icon.cancelSmall, blocko.block.unlocked() ? Color.lightGray : Color.scarlet).padLeft(3);
                                 r.row();
                             }
 
diff --git a/gradle.properties b/gradle.properties
index 6ccbc668ef..dcfbb32c6f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 org.gradle.daemon=true
 org.gradle.jvmargs=-Xms256m -Xmx1024m
-archash=feb8c35e143c0a048488341ae916c7732ea7a84e
+archash=59cff366c4d46577b659e153183eb824eaafd7f7