I don’t actually know whether this is a Citra problem or not, but for some reason, trees in ALBW are completely uncuttable.
Video footage of the glitch here: https://youtu.be/vkVOGP64VwE
In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.
If I recall correctly, you’re on an M1 Mac device. As our Downloads page mentions, we do not provide support for M1 MacOS devices. You can try building Citra natively for MacOS to see if that solves your issue, but other than that, you’re on your own for now: Citra macOS M1 arm64 build - #28 by vitor-k