[Sun Sep 25 13:28:41 2011] Warning, bgd. level not computed because source mask doesn't exist [Sun Sep 25 13:28:41 2011] Creation of lightcurve plot failed [Sun Sep 25 13:28:41 2011] Creation of lightcurve plot failed [Sun Sep 25 13:28:42 2011] Warning, bgd. level not computed because source mask doesn't exist [Sun Sep 25 13:28:42 2011] Creation of lightcurve plot failed [Sun Sep 25 13:28:42 2011] Creation of lightcurve plot failed [Sun Sep 25 13:28:55 2011] Error reading totcts from fullrun_ccd7_acisf02146_pi14-548_pass1_cl_src1_src.pi.gz