Fixed #6389

core/src/mindustry/world/blocks/Attributes.java

@@ -25,6 +25,7 @@ public class Attributes implements JsonSerializable{
 
     public void add(Attributes other){
         check();
+        other.check();
         for(int i = 0; i < arr.length; i++){
             arr[i] += other.arr[i];
         }
@@ -32,6 +33,7 @@ public class Attributes implements JsonSerializable{
 
     public void add(Attributes other, float scl){
         check();
+        other.check();
         for(int i = 0; i < arr.length; i++){
             arr[i] += other.arr[i] * scl;
         }

gradle.properties

@@ -24,4 +24,4 @@ android.useAndroidX=true
 #used for slow jitpack builds; TODO see if this actually works
 org.gradle.internal.http.socketTimeout=100000
 org.gradle.internal.http.connectionTimeout=100000
-archash=e98a7f21
+archash=00d1f312