[Fri Oct 21 09:41:20 2011] Warning, bgd. level not computed because source mask doesn't exist [Fri Oct 21 09:41:21 2011] Creation of lightcurve plot failed [Fri Oct 21 09:41:21 2011] Creation of lightcurve plot failed [Fri Oct 21 09:41:21 2011] Warning, bgd. level not computed because source mask doesn't exist [Fri Oct 21 09:41:21 2011] Creation of lightcurve plot failed [Fri Oct 21 09:41:21 2011] Creation of lightcurve plot failed [Fri Oct 21 09:41:38 2011] Error reading totcts from fullrun_ccd7_acisf11456_pi14-548_pass1_cl_src4_src.pi.gz