Loading a new Scene Palette Crashes Cavalry

Summary

Loading a new Scene Palette will crash Cavalry when one of the colors is already linked to an object in the scene.

Steps to reproduce

(How one can reproduce the issue - this is very important.)

1. Make an object + Load a scene palette
2. Link a scene palette node into the object's fill
3. Load a new scene palette

Examples

Video attached: ScenePaletteCrash01-720p

What is the current issue's behavior?

Cavalry Crashes

What is the expected correct behavior?

A new scene palette loads, overwriting the connections, and updating the linked color.