Hi, i made a modded server on 1.12.2 with magma software. I think the problem is the limit of ids, but i dont know about mods.
Here is the a list of the mods (.jar) that server has:
ActuallyAdditions-1.12.2-r151-2.jar
AppleSkin-mc1.12-1.0.9.jar
Baubles-1.12-1.5.2.jar
BiblioCraft[v2.4.5][MC1.12.2].jar
Botania r1.10-363.jar
Chameleon-1.12-4.1.3.jar
Chisel-MC1.12.2-1.0.1.44.jar
CodeChickenLib-1.12.2-3.2.3.358-universal.jar
CompactSolars-1.12.2-5.0.18.341-universal.jar
CreativeCore_v1.10.3_mc1.12.2.jar
Decocraft-2.6.3_1.12.2.jar
ElevatorMod-1.12.2-1.3.14.jar
EnderCore-1.12.2-0.5.74.jar
EnderIO-1.12.2-5.1.55.jar
EnderStorage-1.12.2-2.4.6.137-universal.jar
FastWorkbench-1.12.2-1.7.3.jar
Galacticraft-Planets-1.12.2-4.0.2.244.jar
GalacticraftCore-1.12.2-4.0.2.244.jar
Hwyla-1.8.26-B41_1.12.2.jar
InventoryTweaks-1.64+dev.150.jar
IronBackpacks-1.12.2-3.0.8-12.jar
JurassiCraft-1.12.2-2.1.23.jar
LibraryEx-1.12.2-1.1.0.jar
MCA-1.12.2-6.1.0-universal.jar
Mantle-1.12-1.3.3.55.jar
MicdoodleCore-1.12.2-4.0.2.244.jar
Morpheus-1.12.2-3.5.106.jar
NetherEx-1.12.2-2.1.0.jar
NotEnoughIDs-1.5.4.4.jar
Pam's HarvestCraft 1.12.2zf.jar
PlayerRevive_v1.2.31_mc1.12.2.jar
StorageDrawers-1.12.2-5.4.1.jar
TConstruct-1.12.2-2.13.0.179.jar
Thaumcraft-1.12.2-6.1.BETA26.jar
UniDict-1.12.2-2.9.6.jar
UtilityWorlds-1.12.2_1.1.0.jar
VariedCommodities_1.12.2(21nov19).jar
WanionLib-1.12.2-2.4.jar
[1.12.2] SecurityCraft v1.8.17.jar
[1.12]TreeCapitator-client-1.43.0.jar
[1.12]bspkrsCore-universal-7.6.0.1.jar
buildcraft-all-7.99.24.5.jar
chococraft_1.12.1-0.9.1.52.jar
comforts-1.12.2-1.4.1.3.jar
emoticons-0.4.3-1.12.2-dist.jar
extrautils2-1.12-1.9.9.jar
forestry_1.12.2-5.8.2.418.jar
globalxp-1.12.2-v1.4.10.jar
industrialcraft-2-2.8.188-ex112.jar
llibrary-1.7.19-1.12.2.jar
malisiscore-1.12.2-6.5.1.jar
malisisdoors-1.12.2-7.3.0.jar
mclib-1.0.4-1.12.2.jar
reap-1.5.3.jar
tombstone-3.6.9-1.12.2.jar
torchmaster_1.12.2-1.8.1.81.jar
twilightforest-1.12.2-3.10.1013-universal.jar
PTRLib-1.0.4.jar
The problem is: Server dont crash but dont start too. Pls help. My nick of Aternos is TheChusterfield. Sorry for my bad english 
And this is the log: https://mclo.gs/aPIISHY