output was
errcode , res:
1
child process exited abnormally
ERROR cannot read FITS file /lopt/apache/u/de/Masks/21Halo-b.fits tried to move past end of file. (CFITSIO error status was 107) ffopen could not interpret primary array header of file: /lopt/apache/u/de/Masks/21Halo-b.fits Error while closing HDU number 0 (ffchdu).