The most common reason for a SIGKILL(9) error is when the machine suddenly runs out of memory.
We suggest checking
- the environment you've selected. Maybe you need a machine type with more memory or a GPU?
- your code for any sections that might cause issues with memory allocation. Sometimes it's as simple as loading a large dataset as a NumPy array
- any 3rd party libraries you might have for known issues around the features you're using.