I tried resetting my Realms world to test REALMS-11884, and this resulted in an error screen instantly. It happened to me again, so it wasn't a one-off.
[17:02:40] [Datafixer Bootstrap/INFO]: 269 Datafixer optimizations took 340 milliseconds
[17:02:40] [main/WARN]: Invalid registry value type detected for PerfOS counters. Should be REG_DWORD. Ignoring: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PerfOS\Performance\Disable Performance Counters.
[17:02:42] [Render thread/INFO]: Environment: Environment[sessionHost=https://sessionserver.mojang.com, servicesHost=https://api.minecraftservices.com, name=PROD]
[17:02:42] [Render thread/INFO]: Setting user: zTxrbq
[17:02:42] [Render thread/INFO]: Backend library: LWJGL version 3.3.3+5
[17:02:43] [Render thread/INFO]: Using optional rendering extensions: GL_ARB_buffer_storage, GL_KHR_debug, GL_ARB_vertex_attrib_binding, GL_ARB_direct_state_access
[17:02:43] [Render thread/INFO]: Reloading ResourceManager: vanilla
[17:02:43] [Worker-Main-9/INFO]: Found unifont_all_no_pua-16.0.03.hex, loading
[17:02:43] [Worker-Main-10/INFO]: Found unifont_pua-16.0.03.hex, loading
[17:02:43] [Worker-Main-23/INFO]: Found unifont_jp_patch-16.0.03.hex, loading
[17:02:44] [Render thread/INFO]: OpenAL initialized on device OpenAL Soft on Headset Earphone (Sennheiser PC 8.2 USB)
[17:02:44] [Render thread/INFO]: Sound engine started
[17:02:44] [Render thread/INFO]: Created: 1024x512x4 minecraft:textures/atlas/blocks.png-atlas
[17:02:44] [Render thread/INFO]: Created: 256x256x4 minecraft:textures/atlas/signs.png-atlas
[17:02:44] [Render thread/INFO]: Created: 512x512x4 minecraft:textures/atlas/banner_patterns.png-atlas
[17:02:44] [Render thread/INFO]: Created: 512x512x4 minecraft:textures/atlas/shield_patterns.png-atlas
[17:02:44] [Render thread/INFO]: Created: 2048x1024x4 minecraft:textures/atlas/armor_trims.png-atlas
[17:02:44] [Render thread/INFO]: Created: 128x64x4 minecraft:textures/atlas/decorated_pot.png-atlas
[17:02:44] [Render thread/INFO]: Created: 256x256x4 minecraft:textures/atlas/chest.png-atlas
[17:02:44] [Render thread/INFO]: Created: 512x256x4 minecraft:textures/atlas/beds.png-atlas
[17:02:44] [Render thread/INFO]: Created: 512x256x4 minecraft:textures/atlas/shulker_boxes.png-atlas
[17:02:44] [Render thread/INFO]: Created: 64x64x0 minecraft:textures/atlas/map_decorations.png-atlas
[17:02:44] [Render thread/INFO]: Created: 512x256x0 minecraft:textures/atlas/particles.png-atlas
[17:02:44] [Render thread/INFO]: Created: 512x256x0 minecraft:textures/atlas/paintings.png-atlas
[17:02:44] [Render thread/INFO]: Created: 1024x512x0 minecraft:textures/atlas/gui.png-atlas
[17:04:30] [Realms-long-running-task/ERROR]: Couldn't reset world
[17:05:53] [Render thread/INFO]: [System] [CHAT] Saved screenshot as 2025-06-18_17.05.53.png
[17:06:14] [Render thread/INFO]: Stopping!Linked issues
discovered while testing 1
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Comments 4
[Mod] turbo
Hi!
Could you let us know if this issue occurred after pressing "Reset World" for the world you were trying to reset or after choosing a specific option like New World/Upload World or other?
Just a reminder, to make your bug report as effective as possible, please try and include the following steps to reproduce the problem:
Steps to Reproduce:
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3.Observed Results:
(Briefly describe what happens)Expected Results:
(Briefly describe what should happen)
If your ticket does not look like the example given here, then it's likely to be closed as incomplete.
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