crash during loadup, i also just added the rockhounding mod, ftb guide book, and watercontrol extreme if that helps

The log says something about an integer issue, perhaps its a syntax error in the new update? It say this line:
net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Reborn Core (reborncore)
Caused by: java.lang.NumberFormatException: For input string: "0.1"
I mean, 0.1 is clearly not an integer, right?

minecraft: 1.12.2
forge: 2613
core: 3.6.6.208
TR: 2.1.2.3.477
log: here

can you try deleting the "teamreborn" folder in the configs?

@modmuss50 no working (I have problem too)

Ok, that should fix it, im gonna push that to curse, let me know if things are still broken afterwards.

I am having the same problem with the latest version.

It seems to stem from the fact that the new version doesn't have a config for solar panels, so when you have old config files with the solar panel config, it crashes.

Wiping the config folder fixes this, but then we can't have our changes to nerf the solar panels in my pack.

solar_panel {
I:SolarPanelEnergyPerTick=1
I:SolarPanelMaxEnergy=1000
I:SolarPanelMaxOutput=32
}

This seems to be the offending portion.

ok cool thx ya i just tested it in my big modpack, works fine again after deleting configs and updating, thx

Make sure you guys are using RebornCore version 3.6.7.210 or higher. As this issue was fixed in that version. If you still have issues let me know. Thanks.