Issue description:

When Shift Clicking the Stencil from Tinker's construct in the Crafting Grid it causes an internal server error. In my singleplayer game I was kicked to the multiplayer screen on the main menu

Edit: this also now happens while shift clicking a piston into the crafting grid

What happens:

When Shift Clicking the Stencil from Tinker's construct in the Crafting Grid it causes an internal server error. In my singleplayer game I was kicked to the multiplayer screen on the main menu
Edit: the piston caused an internal crash

What you expected to happen:

The recipe from the stencil to be in the crafting grid

Steps to reproduce:

1.Open Crafting Grid
2. Search Stencil in JEI
3.Open the Stencil recipe
4. Shift click the little +
...

Version (make sure you are on the latest version before reporting):

• Minecraft:1.12.2
• Forge:14.23.5.2854
• Refined Storage: 1.6.16

####Addons to RS:
-Refined Storage Addons 0.4.5
-Refined Storage Requestify 1.0.2-3
-Refined Avaritia-2.6.

Does this issue occur on a server? [yes/no]

If a (crash)log is relevant for this issue, link it here:

This is the latest log of me crashing the internal server by shift clicking pistons
First time I shift clicked a piston in a recipe,second time I just shift clicked a piston.
latest.log

Please provide the latest.log where this error occurs.

Please provide the latest.log where this error occurs.

I added a latest.log, I also found that this same bug works with pistons which is what I used for the Latest.log

Oh, I'm dumb. Duplicate of #1790

Pro-tip: You don't need to shift click the +. A regular click works just fine.