Substance Painter stops responding mid project

Hello Everyone. I have been learning and experimenting with Blender and Substance Painter for a few months now and I have run into a problem that I just cannot understand. I've been modeling objects and using images as planes to create leaves, petals, and insect wings ect. I am now trying to make some feathers using a similar technique and I put them all on one image so that they will be using the same texutre. Right now it is super simple, just a plane. The process has worked flawlessly for my petals and leaves and I am not doing anything different. I export my OBJ with the one unwrapped plane, bring it into SP, bake my 4k texture maps, SAVE, bring in my image I sketched out in Krita, and begin the processs of creating the height, metallic, roughness,opacity, ect.(saving frequently between brush strokes) For some unknown reason, before I even finish the second layer of my feathers (the height map) the file becomes unresponsive and continuously crashes. It won't even load if I try to open it.

1. I have tried, starting the process over incase I forgot some important step in the process of setting up the file and the shaders, rebooting my computer, updating SP, updating the drivers of the graphics card on my computer. Uninstalled and re installed SP, now other files I have created are randomly not opening. It will open a file complex enough to hold more than one pc of geometry and 2 different materials + emissions but not a file with a single object and one material. I am scratching my head here guys IDK what is going on. I am about to try a few other things but if anyone has had this issue and knows how I can recover the work I have already re-done or how I can prevent this from happening again your advice would be greatly appreaciated.