From d1f459cf7ae8d307a158baf9bf9fead9ad2c61d7 Mon Sep 17 00:00:00 2001
From: way2muchnoise <jens.baetens@live.be>
Date: Thu, 3 Nov 2016 16:36:36 +0100
Subject: [PATCH] fix NPE on reschedule

---
 .../apiimpl/autocrafting/task/CraftingTask.java               | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
index f8b5c8ea3..f295c1689 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
@@ -367,7 +367,9 @@ public class CraftingTask implements ICraftingTask {
             for (ICraftingStep step : mainSteps) {
                 quantity += quantityPerRequest - step.getReceivedOutput(requested);
             }
-            calculate();
+            if (quantity > 0) {
+                calculate();
+            }
             network.sendCraftingMonitorUpdate();
         }
     }