I am not sure if this is the same error as OP’s but I am also getting an error trying to update the gateway.
> Gateway@3.0.0 rebuild
> installer/rebuild.sh
Welcome to Gateway rebuild script
This script will erase current build and reinstall it
Deleting: package-lock.json node_modules
Done.
Upgrading Gateway...
HEAD is now at d59ffb8 correct default displaying port
Already up to date.
Done.
Reinstalling Gateway...
npm WARN deprecated @npmcli/move-file@2.0.1: This functionality has been moved to @npmcli/fs
npm WARN deprecated uuid@3.4.0: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See https://v8.dev/blog/math-random for details.
npm WARN deprecated uuid@3.4.0: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See https://v8.dev/blog/math-random for details.
> Gateway@3.0.0 preinstall
> installer/preinstall.sh
Welcome to Gateway v3.0.0
No root checking...
Checking Gateway: pi/pi
Checking MagicMirror: pi/pi
Checking OS...
OS Detected: linux-gnueabihf (raspbian 10 armv7l)
Unfortunately, this module is not compatible with your OS
Try to update your OS to the lasted version of raspbian
Has supported ended for Raspian Buster? Thanks in advance @bugsounet and thanks for your work on these awesome modules
LE: I have found the answer in a different thread
https://forum.bugsounet.fr/topic/1244/os-problem-with-upgrade/10
If i may offer some feedback, it would be great if you would use the Releases feature on github so the end users can easily find out what was changed. Keep up the good work!