Minecraft failed to launch

This is the error crash report. dose anyone know how to fix?
Thanks.

– Error 1 –

Unhandled solver error involving the following rules:
Rule 1:
Dependency for {org.quiltmc.loader.impl.plugin.fabric.FabricModOption ‘essential-dependencies’ from /Essential Dependencies.jar} on fabric-language-kotlin versions [>1.10.10+kotlin.1.9.10] (1 valid options, 1 invalid options)
+ {org.quiltmc.loader.impl.plugin.fabric.FabricModOption ‘fabric-language-kotlin’ from /Essential Dependencies.jar!/META-INF/jars/[email protected]+kotlin.1.9.10.jar} {org.quiltmc.loader.impl.plugin.fabric.FabricModOption ‘fabric-language-kotlin’ from /Essential Dependencies.jar!/META-INF/jars/[email protected]+kotlin.1.9.10.jar}
x provided mod ‘fabric-language-kotlin’ from {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /core-2.0.2+kt.1.8.20+flk.1.9.3.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /core-2.0.2+kt.1.8.20+flk.1.9.3.jar}
Rule 2:
Mandatory mod Essential Dependencies (essential-dependencies) v0
Rule 3:
Mandatory mod Quilt Kotlin Libraries: Core (qkl_core) v2.0.2
Rule 4:
optional mod ‘fabric-language-kotlin’ (2 sources)
- {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /core-2.0.2+kt.1.8.20+flk.1.9.3.jar}
- {org.quiltmc.loader.impl.plugin.fabric.FabricModOption ‘fabric-language-kotlin’ from /Essential Dependencies.jar!/META-INF/jars/[email protected]+kotlin.1.9.10.jar}

Essential is known to automatically install Fabric Language Kotlin, which conflicts with Quilt Kotlin Libraries. Manually remove either one of these mods and it should work.

Edit: also just in case your version is simply outdated, make sure you are using either this one QKL 2.1.3 + FLK 1.10.10 + Kotlin 1.9.10 - Quilt Kotlin Libraries (QKL) if you are on 1.20.1. Or, if using FLK - Fabric Language Kotlin 1.10.10+kotlin.1.9.10 - Fabric Language Kotlin. Note: the main QKL file is version dependent and you might want to specifically download the core file if you are not on 1.20.1 (second on the page I linked).

I’m now getting 3 different errors

Rule 1:
optional mod ‘qkl_core’ (2 sources)
- {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /core-2.0.2+kt.1.8.20+flk.1.9.3.jar}
- {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar!/META-INF/jars/quilt-kotlin-libraries-core-2.1.3+kt.1.9.10+flk.1.10.10.jar}
Rule 2:
Mandatory mod Quilt Kotlin Libraries (qkl) v2.1.3
Rule 3:
Dependency for {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar} on qkl_core versions [>2.1.3] (1 valid options, 1 invalid options)
+ {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar!/META-INF/jars/quilt-kotlin-libraries-core-2.1.3+kt.1.9.10+flk.1.10.10.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar!/META-INF/jars/quilt-kotlin-libraries-core-2.1.3+kt.1.9.10+flk.1.10.10.jar}
x {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /core-2.0.2+kt.1.8.20+flk.1.9.3.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /core-2.0.2+kt.1.8.20+flk.1.9.3.jar}
Rule 4:
Mandatory mod Quilt Kotlin Libraries: Core (qkl_core) v2.0.2

– Error 2 –

Unhandled solver error involving the following rules:
Rule 1:
Dependency for {org.quiltmc.loader.impl.plugin.fabric.FabricModOption ‘essential-dependencies’ from /Essential Dependencies.jar} on fabric-language-kotlin versions [>1.10.10+kotlin.1.9.10] (2 valid options, 1 invalid options)
+ {org.quiltmc.loader.impl.plugin.fabric.FabricModOption ‘fabric-language-kotlin’ from /Essential Dependencies.jar!/META-INF/jars/[email protected]+kotlin.1.9.10.jar} {org.quiltmc.loader.impl.plugin.fabric.FabricModOption ‘fabric-language-kotlin’ from /Essential Dependencies.jar!/META-INF/jars/[email protected]+kotlin.1.9.10.jar}
+ provided mod ‘fabric-language-kotlin’ from {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar!/META-INF/jars/quilt-kotlin-libraries-core-2.1.3+kt.1.9.10+flk.1.10.10.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar!/META-INF/jars/quilt-kotlin-libraries-core-2.1.3+kt.1.9.10+flk.1.10.10.jar}
x provided mod ‘fabric-language-kotlin’ from {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /core-2.0.2+kt.1.8.20+flk.1.9.3.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /core-2.0.2+kt.1.8.20+flk.1.9.3.jar}
Rule 2:
Mandatory mod Essential Dependencies (essential-dependencies) v0
Rule 3:
Mandatory mod Quilt Kotlin Libraries: Core (qkl_core) v2.0.2
Rule 4:
optional mod ‘fabric-language-kotlin’ (3 sources)
- {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /core-2.0.2+kt.1.8.20+flk.1.9.3.jar}
- {org.quiltmc.loader.impl.plugin.fabric.FabricModOption ‘fabric-language-kotlin’ from /Essential Dependencies.jar!/META-INF/jars/[email protected]+kotlin.1.9.10.jar}
- {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_core’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar!/META-INF/jars/quilt-kotlin-libraries-core-2.1.3+kt.1.9.10+flk.1.10.10.jar}

– Error 3 –

Unhandled solver error involving the following rules:
Rule 1:
Mandatory mod Quilt Kotlin Libraries (qkl) v2.1.3
Rule 2:
Mandatory mod Quilt Kotlin Libraries: Library (qkl_library) v1.0.2
Rule 3:
Dependency for {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar} on qkl_library versions [>2.1.3] (1 valid options, 1 invalid options)
+ {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_library’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar!/META-INF/jars/quilt-kotlin-libraries-library-2.1.3+kt.1.9.10+flk.1.10.10.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_library’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar!/META-INF/jars/quilt-kotlin-libraries-library-2.1.3+kt.1.9.10+flk.1.10.10.jar}
x {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_library’ from /library-1.0.2+kt.1.8.0+flk.1.9.0.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_library’ from /library-1.0.2+kt.1.8.0+flk.1.9.0.jar}
Rule 4:
optional mod ‘qkl_library’ (2 sources)
- {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_library’ from /library-1.0.2+kt.1.8.0+flk.1.9.0.jar}
- {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption ‘qkl_library’ from /quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar!/META-INF/jars/quilt-kotlin-libraries-library-2.1.3+kt.1.9.10+flk.1.10.10.jar}

That error means that you still have FLK and QKL installed. Make sure to remove both of them, then only install this file QKL 2.1.3 + FLK 1.10.10 + Kotlin 1.9.10 - Quilt Kotlin Libraries (QKL)

If you are unsure which files exactly to remove, send me your latest.log via https://mclo.gs/ and I’ll tell you.

Quick edit: you actually already installed the correct file, so just make sure to delete the others.

thanks for the assist with this

thanks for your assistance i am a bit of a dumb ass

No worries at all. You need to delete the following files:

  1. quilt-kotlin-libraries-2.1.3+kt.1.9.10+flk.1.10.10.jar
  2. core-2.0.2+kt.1.8.20+flk.1.9.3.jar
  3. library-1.0.2+kt.1.8.0+flk.1.9.0.jar

Then install only this one https://cdn.modrinth.com/data/lwVhp9o5/versions/RYTef2Wb/quilt-kotlin-libraries-core-2.1.3%2Bkt.1.9.10%2Bflk.1.10.10.jar

Thanks for all the help

This topic was automatically closed 7 days after the last reply. New replies are no longer allowed.