Check your version of GT New Horizons. It does not comply with GT New Horizons 2.0.2.7. You have old mods
Posts by Orlin
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Hi! It's good that you have updated the name of the version of GT New Horizons 2.0.2.7, but I would like the name to coincide with modpack. And not with the version of GT New Horizons 1.2.0.0
