Trying to use cube2 sphere but are getting an error..
krpanotools64 cube2sphere b=retile_b.jpg d=retile_d.jpg f=retile_f.jpg l=retile_l.jpg r=retile_r.jpg u=retile_u.jpg
gives me
kcube2sphere 1.19 Pre Release 5 - 64bit (build 2016-05-24)
loading...
loading l=retile_l.jpg...
- loading error!