Nostalgia problem

"lua/nostalgia.lua:2434: attempt to call global 'EnginePred' (a nil value)"
why don't you try fixing it?

EnginePred();

Idk how to...

Well the first part of the error is the file that caused the error.
The second part is the line within the file that caused the error.
The third, and final, part is the thing that has gone wrong on that line within the file. In this case it's a function that hasn't been defined and is being called.

Speak English pls

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Speak English pls

I'm 100% certain that it is already English.

perhaps Arnold Schwarzenegger should teach you how to speak and type out English in Austria

anyways, to prevent Cyaegha from telling him to simply "fix it" instead of telling him what's actually wrong (that's a meme that he's been doing for a significant amount of time now), OP doesn't have the gmcl_enginepred module and that's why the global named 'EnginePred()' is returning as nil because that global doesn't exist as a result of not having the previously mentioned module.

but I wanted to see how long it'd take for them to figure it out :v(