Anyone having a problem with the latest BLE extension (edu.mit.appinventor.ble-20230223-beta) should post a screenshot of this APK:
Try this one and post a screenshot after the first run & after pressing "Start Scanning":
https://drive.google.com/file/d/1uGg-t4S1Nq7QzzA7iVDnOu39EFkK6als/view?usp=sharing
And again: The Location sensor must be enabled in the device settings!
We'd like to know which Android version and device you might be having an issue with.