IBAprep: replace an assert with a more graceful error failure (#2326)
IBAprep: replace an assert with a more graceful error failure (#2326)


OpenImageIO/oiio,lgritz/oiio,OpenImageIO/oiio,lgritz/oiio,OpenImageIO/oiio,lgritz/oiio,lgritz/oiio,OpenImageIO/oiio