Alot of the hotspots on the code side of the program are messed up when trying to click buttons you have hover your mouse far above what you wanna click to click it. Mainly occurs in the edit mesh when doing skin weights manually or painting them. Check the links https://youtu.be/qWEbx4iOp0M & https://www.youtube.com/watch?v=7b2lYcCETc4