[Sat Aug 10 14:26:12 2013] Warning, more than one pbk0 file found in ACISBiasPath directory acisf11329/data/aux/ [Sat Aug 10 14:26:32 2013] Hmmm... no usable CCD exposure maps created [Sat Aug 10 14:26:32 2013] An exposure map should exist at this point [Sat Aug 10 14:26:32 2013] No mask image found for ccd9 [Sat Aug 10 14:26:39 2013] xa_detect... no product mask image in memory