Minecraft won't start and will give me "error code: 1"

To Reproduce
Steps to reproduce the behavior:

1. Install fancy menu for 1.18.1 on forge (and on manjaro Linux)
2. Launch Minecraft

Expected behavior
Minecraft Will launch
Behavior
Minecraft crashes instantly
Crash Log
[24Jan2022 17:23:11.819] [main/WARN] [mixin/]: Error loading class: de/keksuccino/konkrete/config/Config (java.lang.ClassNotFoundException: de.keksuccino.konkrete.config.Config)

Screenshots
If applicable, add screenshots to help explain your problem.

Basic Informations (please complete the following information):

• OS: Manjaro Linux
• FancyMenu Version: All 1.18.1 versions
• Forge/Fabric Version: Forge 39.0.59
• Minecraft Version : 1.18.1
• Active Mods: None

Please tell me if there is a fix to do, or release a fix.
Thanks,
Wild Tom

Please send me your full .minecraft/logs/latest.log file, after the crash happened, thank you.

latest.log

Found the problem, I didn't install Konkrete into my mods folder.