❗ Checklist

• I am using the official english version of Slimefun and did not modify the jar.
• 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

Error appeared, told me to report it: https://pastebin.com/L6n7G9t3

📑 Reproduction Steps

Unsure, saw it randomly appear.

💡 Expected Behavior

No error to appear

📷 Screenshots / Videos

No response

📜 Server Log

No response

📂 /error-reports/ folder

No response

💻 Server Software

Airplane

🎮 Minecraft Version

1.17.x

⭐ Slimefun version

🧭 Other plugins

No response

Sorry for the late response of this. Can we get your plugin list? I suspect this is because breaking a GPS Transmitter using some other plugins item and it doesn't trigger it properly. But I could be wrong.

Closing this due to inactivity.