Caigan, thank you for taking the time to set up an alternate download. Your instructions worked perfectly.
I am, however, having a significant problem with erratic and low FPS when playing the modpack. Memory usage is also pretty high (at least 50% of 4 GB allocated), though that may not be unusual for larger modpacks. I have the launcher set to use 4GB of my PC's total 8GB. Java 8 is latest revision.
I tried removing a few mods to lighten the load (HoloInv, IGW, CompuCraft, HeadCrumbs, Morph, Tails, VeinMiner) but the issue remains. I also tried to tweak settings using OptiFine, but it's my first try with that so I may not have done a thorough job. FastCraft 1.19 is loaded as well.
Is there a way to track which mods are using the memory? Does Opis work on the client end or just on servers? Maybe my PC is just not up to snuff, though I was able to play Wanderlust without many performance issues.
Any advice would be welcome. Thanks!