Hoping someone can help us out. Here's the log: https://pastebin.com/gnS9RrNR Thanks!
Not too sure, what mods are installed? And what launcher do they use?
They have the latest Forge for 1.8.9 so that can't be it.
Otherwise the game is expecting something it can;t find, some 'item record' but I'm not sure what that refers to other than wild speculation.
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