Unable to repair damaged spawners in the Ancient Altar

[FireFlyUnlegit]

❗ 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

I got a damaged spawner of type Flameman, but when I tried to fix it on the Ancient Altar, I found that it didn't work
Server version: Leaves Latest 1.20.4

📑 Reproduction Steps

1. Obtain a spawner of any type
2. Try to restore it in an ancient altar

💡 Expected Behavior

I expected I can fix it

📷 Screenshots / Videos

No response

📜 Server Log

No response

📂 /error-reports/ folder

No response

💻 Server Software

Other (please specify in your description)

🎮 Minecraft Version

1.20.x

⭐ Slimefun version

SlimeFun 2025.05-Release

🧭 Other plugins

No response

[Boomer-1]

there is no mob called flameman. additionally you are using an unofficial version of slimefun. there is no release labeled 2025.05.

closing this. if you have an issue on an official version with a real mob, you can open a new issue.