2 files changed, 36 insertions, 3 deletions
diff --git a/src/main/java/gregtech/api/recipe/RecipeMapBackend.java b/src/main/java/gregtech/api/recipe/RecipeMapBackend.java
index 1122eaf869..c1f8afffeb 100644
--- a/src/main/java/gregtech/api/recipe/RecipeMapBackend.java
+++ b/src/main/java/gregtech/api/recipe/RecipeMapBackend.java
@@ -2,6 +2,8 @@ package gregtech.api.recipe;
 
 import static gregtech.api.util.GTRecipeBuilder.ENABLE_COLLISION_CHECK;
 import static gregtech.api.util.GTRecipeBuilder.handleInvalidRecipe;
+import static gregtech.api.util.GTRecipeBuilder.handleInvalidRecipeLowFluids;
+import static gregtech.api.util.GTRecipeBuilder.handleInvalidRecipeLowItems;
 import static gregtech.api.util.GTRecipeBuilder.handleRecipeCollision;
 import static gregtech.api.util.GTUtility.areStacksEqualOrNull;
 
@@ -172,14 +174,21 @@ public class RecipeMapBackend {
         Iterable<? extends GTRecipe> recipes = properties.recipeEmitter.apply(builder);
         Collection<GTRecipe> ret = new ArrayList<>();
         for (GTRecipe recipe : recipes) {
-            if (recipe.mFluidInputs.length < properties.minFluidInputs
-                || recipe.mInputs.length < properties.minItemInputs) {
+            if (recipe.mInputs.length < properties.minItemInputs) {
+                handleInvalidRecipeLowItems();
+                return Collections.emptyList();
+            }
+            if (recipe.mFluidInputs.length < properties.minFluidInputs) {
+                handleInvalidRecipeLowFluids();
                 return Collections.emptyList();
             }
             if (properties.recipeTransformer != null) {
                 recipe = properties.recipeTransformer.apply(recipe);
             }
-            if (recipe == null) continue;
+            if (recipe == null) {
+                handleInvalidRecipe();
+                continue;
+            }
             if (builder.isCheckForCollision() && ENABLE_COLLISION_CHECK && checkCollision(recipe)) {
                 handleCollision(recipe);
                 continue;
diff --git a/src/main/java/gregtech/api/util/GTRecipeBuilder.java b/src/main/java/gregtech/api/util/GTRecipeBuilder.java
index 1426c1c264..69890e564d 100644
--- a/src/main/java/gregtech/api/util/GTRecipeBuilder.java
+++ b/src/main/java/gregtech/api/util/GTRecipeBuilder.java
@@ -211,6 +211,30 @@ public class GTRecipeBuilder {
         }
     }
 
+    public static void handleInvalidRecipeLowFluids() {
+        if (!DEBUG_MODE_INVALID && !PANIC_MODE_INVALID) {
+            return;
+        }
+        // place a breakpoint here to catch all these issues
+        GTLog.err.println("invalid recipe: not enough input fluids");
+        new IllegalArgumentException().printStackTrace(GTLog.err);
+        if (PANIC_MODE_INVALID) {
+            throw new IllegalArgumentException("invalid recipe");
+        }
+    }
+
+    public static void handleInvalidRecipeLowItems() {
+        if (!DEBUG_MODE_INVALID && !PANIC_MODE_INVALID) {
+            return;
+        }
+        // place a breakpoint here to catch all these issues
+        GTLog.err.println("invalid recipe: not enough input items");
+        new IllegalArgumentException().printStackTrace(GTLog.err);
+        if (PANIC_MODE_INVALID) {
+            throw new IllegalArgumentException("invalid recipe");
+        }
+    }
+
     public static void handleRecipeCollision(String details) {
         if (!DEBUG_MODE_COLLISION && !PANIC_MODE_COLLISION) {
             return;