The Lighting Controller

The fix for V9.3.14 is online.

I had the exact same problem. Lightning Controller crashed even during live sessions.
I use a Mac Studio with M1 Ultra, latest Sonoma.
The Lightning Controller is remote controlled via companion app which runs on a second mac (mac mini M1, latest Sonoma)

I found out the following:
Using the latest Lightning Controller Software (9.3.15, Intel binary with the latest patch and "Do not use WebSocket" checked) and companion app 2.4.2 on the mac mini seems to work. It now runs for hours without crashing.

Using companion app 3.2.2 (the latest) the crashes seem to happen randomly.

companion app 3.2.2 also tells me that the module for controlling lightning controller is not supported by 3.x and has to be updated.

Hope this helps.
Best Michael

Thank you for this clear report.
We will take a look at that asap.