From b3f4109ffa708f5303862a2de6bfc3eee0d6c3ea Mon Sep 17 00:00:00 2001
From: raoulvdberge <raoulvdberge@gmail.com>
Date: Mon, 23 Jul 2018 12:21:41 +0200
Subject: [PATCH] Prevent JEI crash - needs to run on main thread.

---
 .../raoulvdberge/refinedstorage/container/ContainerBase.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/raoulvdberge/refinedstorage/container/ContainerBase.java b/src/main/java/com/raoulvdberge/refinedstorage/container/ContainerBase.java
index c5e11e8cc..57042617b 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/container/ContainerBase.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/container/ContainerBase.java
@@ -92,7 +92,10 @@ public abstract class ContainerBase extends Container {
                 } else if (slot.getHasStack()) {
                     if (slot instanceof SlotFilterType && ((SlotFilterType) slot).getType().getType() == IType.FLUIDS) {
                         if (FMLCommonHandler.instance().getSide() == Side.CLIENT) {
-                            FMLClientHandler.instance().showGuiScreen(new GuiGridPatternFluidAmount((GuiBase) Minecraft.getMinecraft().currentScreen, player, slot.getSlotIndex(), ((SlotFilterType) slot).getActualStack()));
+                            Minecraft.getMinecraft().addScheduledTask(() -> {
+                                // Prevent JEI crash - this needs to run on the main thread and not on the packet handler thread
+                                FMLClientHandler.instance().showGuiScreen(new GuiGridPatternFluidAmount((GuiBase) Minecraft.getMinecraft().currentScreen, player, slot.getSlotIndex(), ((SlotFilterType) slot).getActualStack()));
+                            });
                         }
                     } else {
                         slot.getStack().setCount(((SlotFilter) slot).getAmountModified(dragType));