You are most likely running out of video ram. Toolbag's baker is GPU-accelerated and all mesh data must fit on the GPU. Here is some advice to stay within the limits of your GPU's video memory: 1. Close any 3D or 2D applications or any other VRAM-hungry applications that you may have open. Web browsers with many tabs open…
Point 6 is a good one to know. I'm curious, from a software architecture standpoint, is it not possible to load things into the VRAM sequentially and if the need arises for extra data storage during a bake, to use methods like temp storage. Why would one baking group have to know of the existence of another baking group,…