I have a player of my pack, Create on a Potato PC, who is playing on a 3rd party server and she crashes sometimes if she uses /rtp from FTB. It seems flywheel is throwing an error ArrayIndexOutOfBoundsException : null

Minecraft: 1.116.5
Forge: 36.2.9

Mod List

• alexsmobs-1.12.1
• allomancy-4.3.2
• angelring-1.16.5-1.3.4.1
• Apotheosis-1.16.5-4.8.0
• appleskin-forge-mc1.16.x-2.1.0
• architectury-1.23.33-forge
• armorpointspp-1.16.5-2.0.0
• BiomesOPlenty-1.16.5-13.1.0.482-universal
• BorderlessWindow-1.16.5-1.2.1
• Botania-1.16.5-419
• bwncr-1.16.5-3.10.16
• charginggadgets-1.3.0
• citadel-1.8.1-1.16.5
• cloth-config-4.11.26-forge
• Clumps-6.0.0.26
• comforts-forge-1.16.5-4.0.1.3
• Controlling-7.0.0.28
• CookingForBlockheads_1.16.5-9.3.4
• craftingstation-4.1.1
• CraftingTweaks_1.16.5-12.2.1
• crashutilities-3.12
• create-mc1.16.5_v0.3.2f
• createaddition-1.16.5-20211122b
• createplus-1.16.4_v0.3.2.1
• Cucumber-1.16.4-4.1.10
• curios-forge-1.16.5-4.0.5.3
• CustomStartingGear-1.16.5-2.0.3-universal
• DefaultOptions_1.16.5-12.2.1
• Disenchanting-forge-1.16.5-1.7.2
• fancymenu_2.3.3_MC_1.16.2-1.16.5
• FarmingForBlockheads_1.16.5-7.3.1
• FastLeafDecay-v25
• FastWorkbench-1.16.4-4.5.1
• feruchemy-1.2.2
• flywheel-1.16-0.2.4
• forbidden_arcanus-16.2.0-beta-4
• ftb-backups-2.1.1.6
• ftb-chunks-forge-1605.3.2-build.57
• ftb-essentials-1605.1.4-build.20
• ftb-library-forge-1605.3.3-build.74
• ftb-quests-forge-1605.3.5-build.64
• ftb-ranks-1605.1.4-build.12-forge
• ftb-teams-forge-1605.2.2-build.32
• ftb-ultimine-forge-1605.3.0-build.25
• gardenofglass-1.7
• globalxp-1.16.5-v1.8
• gravestone-1.16.5-1.0.7
• invtweaks-1.16.4-1.0.1
• item-filters-forge-1605.2.5-build.9
• jei-1.16.5-7.7.1.121
• konkrete_1.3.0_MC_1.16.2-1.16.5
• kotlin_libraries-1.0-6
• kubejs-create-1605.1.2-build.7
• kubejs-forge-1605.3.18-build.141
• metalbarrels-1.16.2-3.3b
• moredragoneggs-1.4
• moreoverlays-1.18.15-mc1.16.5
• Morpheus-1.16.5-4.2.70
• MouseTweaks-2.14-mc1.16.2
• OpenLoader-1.16.5-9.0.3
• OptiFine_1.16.5_HD_U_G8
• pamhc2foodcore-1.16.3-1.0.2
• Patchouli-1.16.4-53.2
• PickleTweaks-1.16.5-5.2.5
• Placebo-1.16.5-4.6.0
• polymorph-forge-1.16.5-0.25
• reap-1.16.5-1.0.1
• ReAuth-1.16-Forge-3.9.3
• refinedstorage-1.9.15
• refinedstorageaddons-0.7.3
• repurposed_structures_forge-3.2.5+1.16.5
• rhino-forge-1605.1.4-build.63
• rsrequestify-1.16.5-2.1.3
• ServerTabInfo-1.16.4-1.3.3
• shutupexperimentalsettings-1.0.3
• silent-gear-1.16.5-2.6.30
• silent-lib-1.16.3-4.9.6
• SilentGems-1.16.3-3.7.16
• SoL-Carrot-1.16.5-1.10.1
• sounddeviceoptions-1.4.3
• StorageDrawers-1.16.3-8.3.0
• theoneprobe-1.16-3.1.4
• torchmaster-2.3.8
• u_team_core-1.16.5-3.2.1.196
• useful_backpacks-1.16.5-1.12.1.90
• valhelsia_core-16.0.11
• WaterStrainer-1.16.3-10.0.0
• windowlogging-mc1.16.3_v0.0.4
• Wyrmroost-1.16.3-1.2.11
• Xaeros_Minimap_21.22.2_Forge_1.16.5
• XaerosWorldMap_1.18.3_Forge_1.16.5

crash-2021-12-01_17.57.26-client.txt
https://crashy.net/RpgBg7TF4gqL9aJifJQg

Duplicate of #23, seems like this user is still on Flywheel 0.2.0