You must have input an incorrect directory path into one of the config files then.
Where exactly do you have bsp and pball installed? Double check the directory path you edited. If nothing works, I'd say uninstall bsp and reinstall it again, changing nothing inside the settings folder until you're absolutely sure what it does.
Otherwise, if you installed both bsp and pball into the default drive (C:\), deleted the inprogress file and added an inprogress folder, everything should work fine.