[Fri Oct 14 21:17:36 2011] Warning, bgd. level not computed because source mask doesn't exist [Fri Oct 14 21:17:36 2011] Creation of lightcurve plot failed [Fri Oct 14 21:17:36 2011] Creation of lightcurve plot failed [Fri Oct 14 21:17:37 2011] Warning, bgd. level not computed because source mask doesn't exist [Fri Oct 14 21:17:37 2011] Creation of lightcurve plot failed [Fri Oct 14 21:17:37 2011] Creation of lightcurve plot failed [Fri Oct 14 21:17:53 2011] Error reading totcts from fullrun_ccd7_acisf11020_pi14-548_pass1_cl_src1_src.pi.gz [Fri Oct 14 21:17:53 2011] Error reading totcts from fullrun_ccd7_acisf11020_pi14-548_pass1_cl_src2_src.pi.gz