Describe the bug
Within a few seconds of attempting to launch my pack the client crashes - I'm resurrecting an old 1.12.2 pack. When I disable Fancy Menu and Koncrete the pack launches just fine. If you like, I can create a Curseforge install zip for you to test.

To Reproduce
Steps to reproduce the behavior:

1. Enable Fancy Menu and Koncrete
2. Launch pack
3. Crash

Expected behavior
Should be able to launch without crashing with Fancy Menu and Koncrete loaded

Crash Log
If the bug includes a crash, please paste or link it here.
There was no crash report.
Here is a link to the log uploaded from MultiMC
https://paste.ee/p/hqloe
The log files shown below were generated by GDLauncher
latest.log
debug.log

Basic Informations (please complete the following information):

• OS: Pop OS (Ubuntu 20.04 variant)
• FancyMenu Version 2.2.2
• Koncrete 1.1.7
• Forge Version 14.23.5.2855
• Minecraft Version 1.12.2
• Active Mods
  [✔️] _MixinBootstrap-1.1.0
  [✔️] adminshop-1.5.1
  [✔️] AkashicTome-1.2-12
  [✔️] AncientSpellcraft-1.12.2-1.2.0
  [✔️] ancientwarfare-1.12.2-2.7.0.1038
  [✔️] Apotheosis-1.12.2-1.12.5
  [✔️] AppleCore-mc1.12.2-3.4.0
  [✔️] AppleSkin-mc1.12-1.0.14
  [✔️] AutoRegLib-1.3-32
  [✔️] AuxiliaryBiomes-1.12-1.0.0
  [✔️] backpacks 1.12.2 - 3.5.12
  [✔️] Baubles-1.12-1.5.2
  [✔️] bdlib-1.14.3.12-mc1.12.2
  [✔️] BetterBedrockGenerator-1.12-6.1.1
  [✔️] BetterBuildersWands-1.12.2-0.13.2.271+5997513
  [✔️] BiblioCraft[v2.4.5][MC1.12.2]
  [✔️] BiomesOPlenty-1.12.2-7.0.1.2441-universal
  [✔️] Bookshelf-1.12.2-2.3.590
  [✔️] Botania r1.10-364.4
  [✔️] BuildingGadgets-2.8.4
  [✔️] Ceramics-1.12-1.3.7b
  [✔️] Chameleon-1.12-4.1.3
  [✔️] ChestTransporter-1.12.2-2.8.8
  [✔️] Chisel-MC1.12.2-1.0.2.45
  [✔️] ClayWorldGen-1.1.0-1.12.0
  [✔️] Clumps-3.1.2
  [✔️] CodeChickenLib-1.12.2-3.2.3.358-universal
  [✔️] comforts-1.12.2-1.4.1.3
  [✔️] ConquestReforged-3.0.2-mc1.12.2
  [✔️] Controlling-3.0.10
  [✔️] CoralReef-2.5-1.12.2
  [✔️] CosmeticArmorReworked-1.12.2-v5a
  [✔️] CraftingEX_1.12-v1.2.0
  [✔️] craftingstation-0.1.8a
  [✔️] CraftingTweaks_1.12.2-8.1.9
  [✔️] CraftTweaker2-1.12-4.1.20.660
  [✔️] CTM-MC1.12.2-1.0.2.31
  [✔️] Cucumber-1.12.2-1.1.3
  [✔️] culinaryconstruct-1.3.4
  [✔️] CustomStartingGear-1.12-1.2.0.9-universal
  [✔️] DefaultOptions_1.12.2-9.2.8
  [✔️] DefaultWorldGenerator-port-1.12-2.3
  [✔️] ElectroblobsWizardry-4.3.4-MC1.12.2
  [✔️] environs-1.12.2-1.5.2
  [✔️] ExCompressum_1.12.2-3.0.32
  [✔️] exnihilocreatio-1.12.2-0.4.7.2
  [✔️] Explorercraft-2.2.14
  [❌] fancymenu_2.2.2-1_MC_1.12-1.12.2.jar (disabled)
  [✔️] forbidden_arcanus-1.12.2-1.1.4
  [✔️] Forgelin-1.8.4
  [✔️] ForgeMultipart-1.12.2-2.6.2.83-universal
  [✔️] ftb-ultimine-1202.3.5
  [✔️] FTBLib-5.4.7.2
  [✔️] FTBMoney-1.2.0.47
  [✔️] FTBQuests-1202.9.0.15
  [✔️] FTBUtilities-5.4.1.131
  [✔️] FullscreenWindowed-1.12-1.6.0
  [✔️] gemsplusplus-1.12.2-7.0.4
  [✔️] GeographiCraft-1.12-0.8.9b
  [✔️] gravestone-1.10.3
  [✔️] GunpowderLib-1.12.2-1.1
  [✔️] Gyth-1.12.2-2.1.38
  [✔️] inventorysorter-1.12.2-1.13.3+57
  [✔️] ironchest-1.12.2-7.0.72.847
  [✔️] ItemFilters-1.0.4.2
  [✔️] jei_1.12.2-4.16.1.302
  [✔️] journeymap-1.12.2-5.7.1
  [✔️] JustEnoughResources-1.12.2-0.9.2.60
  [✔️] keywizard-1.12.2-1.7.3
  [❌] konkrete_1.1.7_MC_1.12-1.12.2.jar (disabled)
  [✔️] llibrary-1.7.20-1.12.2
  [✔️] mcw-bridges-1.0.6b-mc1.12.2
  [✔️] mcw-windows-1.0.0-mc1.12.2
  [✔️] MineTweakerRecipeMaker-1.12.2-1.2.2.30
  [✔️] moreoverlays-1.15.1-mc1.12.2
  [✔️] moresoundconfig-1.0.4
  [✔️] Morpheus-1.12.2-3.5.106
  [✔️] MouseTweaks-2.10.1-mc1.12.2
  [✔️] mowziesmobs-1.5.8
  [✔️] NaturesCompass-1.12.2-1.8.5
  [✔️] NetherPortalFix_1.12.1-5.3.17
  [✔️] NotEnoughIDs-1.5.4.4
  [✔️] OpenBlocks-1.12.2-1.8.1
  [✔️] OpenModsLib-1.12.2-0.12.2
  [✔️] OptiFine_1.12.2_HD_U_G5
  [✔️] Patchouli-1.0-23.6
  [✔️] Placebo-1.12.2-1.6.0
  [✔️] PortableCrafting-1.12.2-1.0.2
  [✔️] proxys-lib-1.12.2-1.3.0.6
  [✔️] Quark-r1.6-179
  [✔️] QuickLeafDecay-MC1.12.1-1.2.4
  [✔️] rad-1.12-1.1.0
  [✔️] randompatches-1.12.2-1.22.1.10
  [✔️] RandomThings-MC1.12.2-4.2.7.4
  [✔️] reauth-3.6.0
  [✔️] Reliquary-1.12.2-1.3.4.796
  [✔️] ResourceLoader-MC1.12.1-1.5.3
  [✔️] rustic-1.1.7
  [✔️] SilentLib-1.12.2-3.0.14+168
  [✔️] solcarrot-1.12.2-1.8.4
  [✔️] spooky-biomes-1.12.2-1.2.0.19
  [✔️] StorageDrawers-1.12.2-5.4.2
  [✔️] theoneprobe-1.12-1.4.28
  [✔️] tinyprogressions-1.12.2-3.3.34-Release
  [✔️] Tips-1.12.2-1.0.9
  [✔️] topaddons-1.12.2-1.13.0
  [✔️] torchmaster_1.12.2-1.8.4.84
  [✔️] TrashSlot_1.12.2-8.4.10
  [✔️] Traverse-1.12.2-1.6.0-69
  [✔️] vanillafoodpantry-mc1.12.2-4.3.1
  [✔️] worldedit-forge-mc1.12.2-6.1.10-dist

The log showed
[18:31:15] [main/ERROR] [randompatches]: Failed to transform class: net.minecraft.client.Minecraft
On this page http://fm.keksuccino.de/books/fancymenu-v22x/page/22x-incompatibility-list found: RandomPatches (Works if patchMinecraftClass is set to false in its mod config)
Now works perfectly!