1 files changed, 4 insertions, 0 deletions
diff --git a/src/main/java/gregtech/common/GT_RecipeAdder.java b/src/main/java/gregtech/common/GT_RecipeAdder.java
index 01327b881f..2d9cae7c0d 100644
--- a/src/main/java/gregtech/common/GT_RecipeAdder.java
+++ b/src/main/java/gregtech/common/GT_RecipeAdder.java
@@ -20,6 +20,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Comparator;
 import java.util.List;
+import java.util.Objects;
 import mods.railcraft.common.blocks.aesthetics.cube.EnumCube;
 import mods.railcraft.common.items.RailcraftToolItems;
 import net.minecraft.init.Blocks;
@@ -998,6 +999,9 @@ public class GT_RecipeAdder implements IGT_RecipeAdder {
         if ((aInputs == null) || (aOutputs == null) || aInputs.length == 0 || aOutputs.length == 0) {
             return false;
         }
+        if (Arrays.stream(aOutputs).noneMatch(Objects::nonNull)) {
+            return false;
+        }
         if ((aDuration = GregTech_API.sRecipeFile.get("cutting", aInputs[0], aDuration)) <= 0) {
             return false;
         }