I didn't use any commandblocks and this bug just happened

Thank you for your report!
However, this issue is Invalid.

This is related to a different project. This project is only for bugs that relate to the Bedrock Dedicated Seerver software. Use one of the links below to go to the correct project.
– Minecraft: Java Edition — Windows, Mac, and Linux
– Minecraft Launcher — bugs about the Minecraft Launcher specifically
– Minecraft: Bedrock Edition — Gear VR, iOS, Android, Windows 10 (from the Windows store), Xbox One, Windows 10 Mobile, Fire TV, Nintendo Switch, and PS4
– Minecraft: Earth — AR Compatible Devices

Please don't forget to search for an existing issue matching yours in the appropriate project before raising a new one. Please also include as much information as possible, from your report its really hard to tell whats going on and whether its a bug.

Ionic

Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 BDS Wiki – 📖 FAQs