diff --git a/src/main/java/appeng/recipes/handlers/Crusher.java b/src/main/java/appeng/recipes/handlers/Crusher.java
index 569b7b9a..187f4db3 100644
--- a/src/main/java/appeng/recipes/handlers/Crusher.java
+++ b/src/main/java/appeng/recipes/handlers/Crusher.java
@@ -34,7 +34,7 @@ public class Crusher implements ICraftHandler, IWebsiteSerializer
 				return;
 			}
 		}
-		new RecipeError( "Crusher must have a single input, and single output." );
+		throw new RecipeError( "Crusher must have a single input, and single output." );
 	}
 
 	@Override
diff --git a/src/main/java/appeng/recipes/handlers/Grind.java b/src/main/java/appeng/recipes/handlers/Grind.java
index 14b52d76..e0b7193b 100644
--- a/src/main/java/appeng/recipes/handlers/Grind.java
+++ b/src/main/java/appeng/recipes/handlers/Grind.java
@@ -31,7 +31,7 @@ public class Grind implements ICraftHandler, IWebsiteSerializer
 				return;
 			}
 		}
-		new RecipeError( "Grind must have a single input, and single output." );
+		throw new RecipeError( "Grind must have a single input, and single output." );
 	}
 
 	@Override
diff --git a/src/main/java/appeng/recipes/handlers/GrindFZ.java b/src/main/java/appeng/recipes/handlers/GrindFZ.java
index 0ea48e24..adf194b7 100644
--- a/src/main/java/appeng/recipes/handlers/GrindFZ.java
+++ b/src/main/java/appeng/recipes/handlers/GrindFZ.java
@@ -34,7 +34,7 @@ public class GrindFZ implements ICraftHandler, IWebsiteSerializer
 				return;
 			}
 		}
-		new RecipeError( "Grind must have a single input, and single output." );
+		throw new RecipeError( "Grind must have a single input, and single output." );
 	}
 
 	@Override
diff --git a/src/main/java/appeng/recipes/handlers/HCCrusher.java b/src/main/java/appeng/recipes/handlers/HCCrusher.java
index e905c19f..dbd2991c 100644
--- a/src/main/java/appeng/recipes/handlers/HCCrusher.java
+++ b/src/main/java/appeng/recipes/handlers/HCCrusher.java
@@ -33,7 +33,7 @@ public class HCCrusher implements ICraftHandler, IWebsiteSerializer
 				return;
 			}
 		}
-		new RecipeError( "Crusher must have a single input, and single output." );
+		throw new RecipeError( "Crusher must have a single input, and single output." );
 	}
 
 	@Override
diff --git a/src/main/java/appeng/recipes/handlers/Macerator.java b/src/main/java/appeng/recipes/handlers/Macerator.java
index ba5918a2..cca08ef2 100644
--- a/src/main/java/appeng/recipes/handlers/Macerator.java
+++ b/src/main/java/appeng/recipes/handlers/Macerator.java
@@ -34,7 +34,7 @@ public class Macerator implements ICraftHandler, IWebsiteSerializer
 				return;
 			}
 		}
-		new RecipeError( "Grind must have a single input, and single output." );
+		throw new RecipeError( "Grind must have a single input, and single output." );
 	}
 
 	@Override
diff --git a/src/main/java/appeng/recipes/handlers/MekCrusher.java b/src/main/java/appeng/recipes/handlers/MekCrusher.java
index 820ec21b..b4af755d 100644
--- a/src/main/java/appeng/recipes/handlers/MekCrusher.java
+++ b/src/main/java/appeng/recipes/handlers/MekCrusher.java
@@ -34,7 +34,7 @@ public class MekCrusher implements ICraftHandler, IWebsiteSerializer
 				return;
 			}
 		}
-		new RecipeError( "MekCrusher must have a single input, and single output." );
+		throw new RecipeError( "MekCrusher must have a single input, and single output." );
 	}
 
 	@Override
diff --git a/src/main/java/appeng/recipes/handlers/MekEnrichment.java b/src/main/java/appeng/recipes/handlers/MekEnrichment.java
index 7f065dc3..e1a9c02b 100644
--- a/src/main/java/appeng/recipes/handlers/MekEnrichment.java
+++ b/src/main/java/appeng/recipes/handlers/MekEnrichment.java
@@ -34,7 +34,7 @@ public class MekEnrichment implements ICraftHandler, IWebsiteSerializer
 				return;
 			}
 		}
-		new RecipeError( "MekCrusher must have a single input, and single output." );
+		throw new RecipeError( "MekCrusher must have a single input, and single output." );
 	}
 
 	@Override
diff --git a/src/main/java/appeng/recipes/handlers/Pulverizer.java b/src/main/java/appeng/recipes/handlers/Pulverizer.java
index c85f426d..9261fe80 100644
--- a/src/main/java/appeng/recipes/handlers/Pulverizer.java
+++ b/src/main/java/appeng/recipes/handlers/Pulverizer.java
@@ -32,7 +32,7 @@ public class Pulverizer implements ICraftHandler, IWebsiteSerializer
 				return;
 			}
 		}
-		new RecipeError( "Grind must have a single input, and single output." );
+		throw new RecipeError( "Grind must have a single input, and single output." );
 	}
 
 	@Override