[Mon Aug 12 09:53:15 2013] Warning, more than one pbk0 file found in ACISBiasPath directory acisf11270/data/aux/
[Mon Aug 12 09:53:48 2013] Hmmm... no usable CCD exposure maps created
[Mon Aug 12 09:53:48 2013] An exposure map should exist at this point
[Mon Aug 12 09:53:48 2013] No mask image found for ccd9
[Mon Aug 12 09:53:57 2013] xa_detect... no product mask image in memory