What happened?

1.) Go to Singleplayer
2.) Select a world and press Re-Create
3.) Go to Preview

Result: "World preview setup failed!"

Minecraft Version

1.20.4

Modloader (Fabric/Forge)

Fabric

World-Preview Version

1.1.5

Minecraft Logs

[01:25:49] [main/INFO]: Loading Minecraft 1.20.4 with Fabric Loader 0.15.7
[01:25:50] [main/INFO]: Loading 56 mods:
- fabric-api 0.96.11+1.20.4
|-- fabric-api-base 0.4.36+78d798af4f
|-- fabric-api-lookup-api-v1 1.6.49+82b1bb3e4f
|-- fabric-biome-api-v1 13.0.16+78d798af4f
|-- fabric-block-api-v1 1.0.16+3e2216cb4f
|-- fabric-block-view-api-v2 1.0.4+78d798af4f
|-- fabric-blockrenderlayer-v1 1.1.46+78d798af4f
|-- fabric-client-tags-api-v1 1.1.7+78d798af4f
|-- fabric-command-api-v1 1.2.41+f71b366f4f
|-- fabric-command-api-v2 2.2.20+78d798af4f
|-- fabric-commands-v0 0.2.58+df3654b34f
|-- fabric-containers-v0 0.1.86+df3654b34f
|-- fabric-content-registries-v0 5.0.15+78d798af4f
|-- fabric-convention-tags-v1 1.5.10+78d798af4f
|-- fabric-crash-report-info-v1 0.2.23+78d798af4f
|-- fabric-data-attachment-api-v1 1.1.4+b90db5744f
|-- fabric-data-generation-api-v1 13.2.4+5c0133444f
|-- fabric-dimensions-v1 2.1.61+78d798af4f
|-- fabric-entity-events-v1 1.6.1+09fc25014f
|-- fabric-events-interaction-v0 0.7.1+389931eb4f
|-- fabric-events-lifecycle-v0 0.2.74+df3654b34f
|-- fabric-game-rule-api-v1 1.0.46+78d798af4f
|-- fabric-item-api-v1 2.2.0+d6f2b0844f
|-- fabric-item-group-api-v1 4.0.26+58f8c0124f
|-- fabric-key-binding-api-v1 1.0.41+78d798af4f
|-- fabric-keybindings-v0 0.2.39+df3654b34f
|-- fabric-lifecycle-events-v1 2.3.0+a67ffb5d4f
|-- fabric-loot-api-v2 2.1.9+78d798af4f
|-- fabric-message-api-v1 6.0.5+78d798af4f
|-- fabric-mining-level-api-v1 2.1.65+78d798af4f
|-- fabric-model-loading-api-v1 1.0.8+78d798af4f
|-- fabric-models-v0 0.4.7+9386d8a74f
|-- fabric-networking-api-v1 3.1.7+2e5ac5484f
|-- fabric-object-builder-api-v1 13.0.14+080016e44f
|-- fabric-particles-v1 1.1.7+78d798af4f
|-- fabric-recipe-api-v1 2.0.20+78d798af4f
|-- fabric-registry-sync-v0 4.0.19+58f8c0124f
|-- fabric-renderer-api-v1 3.2.4+78d798af4f
|-- fabric-renderer-indigo 1.5.4+78d798af4f
|-- fabric-renderer-registries-v1 3.2.53+df3654b34f
|-- fabric-rendering-data-attachment-v1 0.3.42+73761d2e4f
|-- fabric-rendering-fluids-v1 3.1.1+e761c6694f
|-- fabric-rendering-v0 1.1.56+df3654b34f
|-- fabric-rendering-v1 3.2.0+6fd945a04f
|-- fabric-resource-conditions-api-v1 2.3.14+78d798af4f
|-- fabric-resource-loader-v0 0.11.20+df798a894f
|-- fabric-screen-api-v1 2.0.17+78d798af4f
|-- fabric-screen-handler-api-v1 1.3.55+78d798af4f
|-- fabric-sound-api-v1 1.0.17+78d798af4f
|-- fabric-transfer-api-v1 4.0.11+eb30349a4f
-- fabric-transitive-access-wideners-v1 5.0.14+78d798af4f
- fabricloader 0.15.7
-- mixinextras 0.3.5
- java 17
- minecraft 1.20.4
- world_preview 1.2.1
[01:25:50] [main/INFO]: SpongePowered MIXIN Subsystem Version=0.8.5 Source=file:/C:/Users/{COMPUTER_USERNAME}/AppData/Roaming/com.modrinth.theseus/meta/libraries/net/fabricmc/sponge-mixin/0.12.5+mixin.0.8.5/sponge-mixin-0.12.5+mixin.0.8.5.jar Service=Knot/Fabric Env=CLIENT
[01:25:50] [main/INFO]: Compatibility level set to JAVA_17
[01:25:51] [main/INFO]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.3.5).
[01:25:54] [Datafixer Bootstrap/INFO]: 198 Datafixer optimizations took 106 milliseconds
[LWJGL] Version: 3.3.2-snapshot
OS: Windows 11 v10.0
JRE: Windows amd64 17.0.9
JVM: OpenJDK 64-Bit Server VM v17.0.9+8-LTS by Azul Systems, Inc.
[LWJGL] Loading JNI library: lwjgl
Module: org.lwjgl
Loaded from org.lwjgl.librarypath: C:\Users{COMPUTER_USERNAME}\AppData\Roaming\com.modrinth.theseus\meta\natives\1.20.4-0.15.7\lwjgl.dll
[LWJGL] Loading library: jemalloc
Module: org.lwjgl.jemalloc
Loaded from org.lwjgl.librarypath: C:\Users{COMPUTER_USERNAME}\AppData\Roaming\com.modrinth.theseus\meta\natives\1.20.4-0.15.7\jemalloc.dll
[LWJGL] MemoryUtil allocator: JEmallocAllocator
[01:25:56] [Render thread/INFO]: Environment: Environment[sessionHost=https://sessionserver.mojang.com, servicesHost=https://api.minecraftservices.com, name=PROD]
[01:25:56] [Render thread/INFO]: Setting user: {MINECRAFT_USERNAME}
[01:25:56] [Render thread/INFO]: Loading config file: C:\Users{COMPUTER_USERNAME}\AppData\Roaming\com.modrinth.theseus\profiles\WorldPreview\config\world_preview\config.json
[01:25:57] [Render thread/INFO]: [Indigo] Registering Indigo renderer!
[LWJGL] Loading library: glfw
Module: org.lwjgl.glfw
Loaded from org.lwjgl.librarypath: C:\Users{COMPUTER_USERNAME}\AppData\Roaming\com.modrinth.theseus\meta\natives\1.20.4-0.15.7\glfw.dll
[01:25:57] [Render thread/INFO]: Backend library: LWJGL version 3.3.2-snapshot
[LWJGL] Loading JNI library: lwjgl_opengl
Module: org.lwjgl.opengl
Loaded from org.lwjgl.librarypath: C:\Users{COMPUTER_USERNAME}\AppData\Roaming\com.modrinth.theseus\meta\natives\1.20.4-0.15.7\lwjgl_opengl.dll
[LWJGL] Loading library: opengl32
Module: org.lwjgl.opengl
opengl32.dll not found in org.lwjgl.librarypath=C:\Users{COMPUTER_USERNAME}\AppData\Roaming\com.modrinth.theseus\meta\natives\1.20.4-0.15.7
Loaded from system paths: C:\WINDOWS\SYSTEM32\opengl32.dll
[LWJGL] Java 9 check intrinsics enabled
[LWJGL] Closure Registry: simple
[LWJGL] Java 10 multiplyHigh enabled
[LWJGL] [GL] GL_ARB_shader_subroutine was reported as available but an entry point is missing.
[LWJGL] Loading JNI library: lwjgl_stb
Module: org.lwjgl.stb
Loaded from org.lwjgl.librarypath: C:\Users{COMPUTER_USERNAME}\AppData\Roaming\com.modrinth.theseus\meta\natives\1.20.4-0.15.7\lwjgl_stb.dll
[LWJGL] Java 9 text decoding enabled
[LWJGL] Loading library: OpenAL
Module: org.lwjgl.openal
Loaded from org.lwjgl.librarypath: C:\Users{COMPUTER_USERNAME}\AppData\Roaming\com.modrinth.theseus\meta\natives\1.20.4-0.15.7\OpenAL.dll
[01:25:58] [Render thread/INFO]: Reloading ResourceManager: vanilla, fabric, fabric-api, fabric-api-base, fabric-api-lookup-api-v1, fabric-biome-api-v1, fabric-block-api-v1, fabric-block-view-api-v2, fabric-blockrenderlayer-v1, fabric-client-tags-api-v1, fabric-command-api-v1, fabric-command-api-v2, fabric-commands-v0, fabric-containers-v0, fabric-content-registries-v0, fabric-convention-tags-v1, fabric-crash-report-info-v1, fabric-data-attachment-api-v1, fabric-data-generation-api-v1, fabric-dimensions-v1, fabric-entity-events-v1, fabric-events-interaction-v0, fabric-events-lifecycle-v0, fabric-game-rule-api-v1, fabric-item-api-v1, fabric-item-group-api-v1, fabric-key-binding-api-v1, fabric-keybindings-v0, fabric-lifecycle-events-v1, fabric-loot-api-v2, fabric-message-api-v1, fabric-mining-level-api-v1, fabric-model-loading-api-v1, fabric-models-v0, fabric-networking-api-v1, fabric-object-builder-api-v1, fabric-particles-v1, fabric-recipe-api-v1, fabric-registry-sync-v0, fabric-renderer-api-v1, fabric-renderer-indigo, fabric-renderer-registries-v1, fabric-rendering-data-attachment-v1, fabric-rendering-fluids-v1, fabric-rendering-v0, fabric-rendering-v1, fabric-resource-conditions-api-v1, fabric-resource-loader-v0, fabric-screen-api-v1, fabric-screen-handler-api-v1, fabric-sound-api-v1, fabric-transfer-api-v1, fabric-transitive-access-wideners-v1, fabricloader, world_preview
[01:25:58] [Worker-Main-1/INFO]: Found unifont_all_no_pua-15.1.04.hex, loading
[01:25:59] [Render thread/WARN]: Missing sound for event: minecraft:item.goat_horn.play
[01:25:59] [Render thread/WARN]: Missing sound for event: minecraft:entity.goat.screaming.horn_break
[01:25:59] [Render thread/INFO]: OpenAL initialized on device OpenAL Soft on Speakers (Speakers)
[01:25:59] [Render thread/INFO]: Sound engine started
[01:25:59] [Render thread/INFO]: Created: 1024x512x0 minecraft:textures/atlas/blocks.png-atlas
[01:25:59] [Render thread/INFO]: Created: 256x256x0 minecraft:textures/atlas/signs.png-atlas
[01:25:59] [Render thread/INFO]: Created: 512x512x0 minecraft:textures/atlas/shield_patterns.png-atlas
[01:25:59] [Render thread/INFO]: Created: 512x512x0 minecraft:textures/atlas/banner_patterns.png-atlas
[01:25:59] [Render thread/INFO]: Created: 1024x1024x0 minecraft:textures/atlas/armor_trims.png-atlas
[01:25:59] [Render thread/INFO]: Created: 128x64x0 minecraft:textures/atlas/decorated_pot.png-atlas
[01:25:59] [Render thread/INFO]: Created: 256x256x0 minecraft:textures/atlas/chest.png-atlas
[01:25:59] [Render thread/INFO]: Created: 512x256x0 minecraft:textures/atlas/shulker_boxes.png-atlas
[01:25:59] [Render thread/INFO]: Created: 512x256x0 minecraft:textures/atlas/beds.png-atlas
[01:25:59] [Render thread/WARN]: Shader rendertype_entity_translucent_emissive could not find sampler named Sampler2 in the specified shader program.
[01:26:00] [Render thread/INFO]: Created: 512x256x0 minecraft:textures/atlas/particles.png-atlas
[01:26:00] [Render thread/INFO]: Created: 256x256x0 minecraft:textures/atlas/paintings.png-atlas
[01:26:00] [Render thread/INFO]: Created: 128x128x0 minecraft:textures/atlas/mob_effects.png-atlas
[01:26:00] [Render thread/INFO]: Created: 1024x512x0 minecraft:textures/atlas/gui.png-atlas

Additional Information

No response

The issue has been fixed and will be included in Release 1.2.2, thank you for reporting this bug!