Add more informative messages and error handling to transferring flags in fhd_save_io
Add more informative messages and error handling to transferring flags in fhd_save_io

miguelfmorales/FHD,miguelfmorales/FHD,wenyang-li/FHD,EoRImaging/FHD,wenyang-li/FHD,wenyang-li/FHD,EoRImaging/FHD