Issue description:

What happens:

What you expected to happen:

Steps to reproduce:

...

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

• Minecraft:
• Forge:
• Refined Storage:

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

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I was using a philosiphers stone from projectE and making a bunch of alchemical coal and after making a couple of stacks all the items in the grid disappeared. nothing i do seems to fix it