error while loading.

[snowwyyyyy-blimp]

❗ Checklist

• I am using the official english version of Slimefun and did not modify the jar.
• I downloaded the official version from the new build site Blob Builds.
• I am using an up to date "DEV" (not "RC") version of Slimefun.
• I am aware that issues related to Slimefun addons need to be reported on their bug trackers and not here.
• I searched for similar open issues and could not find an existing bug report on this.

📍 Description

insatlled the mod properly dev yet it doesnt work.

📑 Reproduction Steps

1. download the plugin.
2. drag it to plugins.
3. boot up the server.
4. type /plugins
5. sees slimefun is red.

💡 Expected Behavior

this is my first time using this plugin so idk.

📷 Screenshots / Videos

📜 Server Log

https://pastebin.com/AL8g4Kyv

📂 /error-reports/ folder

No response

💻 Server Software

Paper

🎮 Minecraft Version

1.20.x

⭐ Slimefun version

build 1160

🧭 Other plugins

No response

[nosay-arch]

your logs say that you are using version 1.21.4, which is not supported.

[Boomer-1]

1.21.4 is supported. has been since it came out. however you're using the wrong version of slimefun. you must use the experimental version #2. closing as invalid