[FTB Ultimate Reloaded] How do I activate the Immersive Engineering multiblocks?

TheNakriin

New Member
Apr 29, 2020
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Hello there (general Kenobi),
A couple of friend of mine and myself are playing FTB Ultimate reloaded and were rather shocked that the IE multiblocks (eg the ARC furnace) were disabled.
Now lets get to my question: How do i enable them again so that we may use them?

Any help is appreciated!
Thanks in advance!