I need you to do a test to see if Photoshop can’t detect faces globally or if it is somethign specific to plugins, or SPA
Please open an image of a player. Then in Photoshop go to Filter>Liquify. In the liquify panel, are the Face Aware Liquify options available? Do you see Face 1 under the Face Dropdown? If you see Face 1 listed, try to adjust the face morphs such as smile, eye size ect. Can those changes be seen on the image?
If Face Aware Liquify doesn’t work then there is something wrong at the GPU-Photoshop compatibility level.
However, if those work and SPA doesn’t then there is something going on specific to the plugins API or with SPA on your computer.
Please let me know after you have tested this.