What happened?

java.lang.IllegalStateException: Unbound values in registry ResourceKey[minecraft:root / minecraft:worldgen/structure]: [bclib:test_structure]

(This crashes the game the second you try to make a new world)

BCLib

2.3.0

Fabric API

0.14.19

Fabric Loader

1.19.4

Minecraft

1.19.3

Relevant log output

Client Log: https://mclo.gs/UCsV1WB

Crash Log: https://mclo.gs/9phyrvA

Other Mods

(in the log)

Also faced this bug on fabric-api 0.79.0+1.19.4.

Mods installed (alphabetically):

bclib-2.3.0.jar
better-nether-8.2.0.jar
fabric-api-0.79.0+1.19.4.jar
ferritecore-5.2.0-fabric.jar
iris-mc1.19.4-1.6.1.jar
lithium-fabric-mc1.19.4-0.11.1.jar
memoryleakfix-fabric-1.17+-1.0.0.jar
modmenu-6.2.1.jar
reeses_sodium_options-1.5.0+mc1.19.4-build.72.jar
sodium-extra-0.4.18+mc1.19.4-build.100.jar
sodium-fabric-mc1.19.4-0.4.10+build.24.jar
starlight-1.1.1+fabric.ae22326.jar

Works on latest BCLib (2.3.1), please close the issue.

Mods

  [✔] alternate-current-mc1.19-1.5.0
  [✔] anti-xray-1.3.0-Fabric-1.19.4
  [✔] armor-stand-editor-2.1.0+1.19.4-rc2
  [✔] bclib-2.3.1
  [✔] c2me-base-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-fabric-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-fixes-worldgen-vanilla-bugs-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-notickvd-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-opts-chunkio-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-opts-math-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-opts-scheduling-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-opts-worldgen-general-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-opts-worldgen-vanilla-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-rewrites-chunkio-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-server-utils-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-threading-chunkio-mc1.19.4-0.2.0+alpha.10.51
  [✔] c2me-threading-lighting-mc1.19.4-0.2.0+alpha.10.51
  [✔] cloth-config-10.0.96-fabric
  [✔] Clumps-fabric-1.19.4-10.0.0.2
  [✔] Debugify-1.19.4+2.2
  [✔] entity-view-distance-1.1.1+1.19.4
  [✔] fabric-api-0.80.0+1.19.4
  [✔] fabric-carpet-1.19.4-1.4.101+v230319
  [✔] fabric-language-kotlin-1.9.4+kotlin.1.8.21
  [✔] fabrictailor-2.1.1
  [✔] ferritecore-5.2.0-fabric
  [✔] global_packs-fabric-1.19.4-1.16_fabric
  [✔] holograms-1.5.1+1.19.4-legacy-edition
  [✔] image2map-0.4.1
  [✔] Incendium_1.19.4_v5.2.1
  [✔] InventorySorter-1.8.10-1.19.4
  [✔] jline4mcdsrv-0.4.2
  [✔] jsst-1.19.4-0.3.4
  [✔] krypton-0.2.2
  [✔] leukocyte-0.3.5+1.19.4-rc2
  [✔] lithium-fabric-mc1.19.4-0.11.1
  [✔] LuckPerms-Fabric-5.4.66
  [✔] mcmtfabric-1.4.0
  [✔] memoryleakfix-fabric-1.17+-1.0.0
  [✔] mixintrace-1.1.1+1.17
  [✔] mods-command-mc1.19.4-1.1.2
  [✔] NoChatReports-FABRIC-1.19.4-v2.1.1
  [✔] Nullscape_1.19.4_v1.2.1
  [✔] polyconfig-0.3.6
  [✔] polydex-0.2.1+1.19.4-rc2
  [✔] PolyMc-5.3.2+1.19.3
  [✔] polymer-bundled-0.4.7+1.19.4
  [✔] raknetify-fabric-0.1.0+alpha.5.72-all
  [✔] semblance-1.1.4
  [✔] servercore-fabric-1.3.5+1.19.4
  [✔] servertick-mc1.19-1.7
  [✔] slumber-1.1.0
  [✔] SmartBrainLib-fabric-1.19.4-1.9
  [✔] smoothboot-fabric-1.19.4-1.7.0
  [✔] spark-1.10.37-fabric
  [✔] StackDeobfuscator-1.3.1+fabric.d71a3c3
  [✔] starlight-1.1.1+fabric.ae22326
  [✔] styled-chat-2.1.6+1.19.4
  [✔] styled-nicknames-1.2.0+1.19.3
  [✔] styled-sidebars-1.0.1+1.19.4
  [✔] styledplayerlist-2.3.0+1.19.3
  [✔] tectonic-mod-mc1.19.3-v1.1.10
  [✔] TerraBlender-fabric-1.19.4-2.2.0.156
  [✔] Terralith_1.19.4_v2.3.7b
  [✔] ViaBackwards-4.6.1
  [✔] viafabric-0.4.10+33-dev
  [✔] ViaRewind-2.0.3
  [✔] vmp-fabric-mc1.19.4-0.2.0+beta.7.72-all