[Sun Oct 30 16:21:23 2011] Warning, bgd. level not computed because source mask doesn't exist [Sun Oct 30 16:21:23 2011] Creation of lightcurve plot failed [Sun Oct 30 16:21:23 2011] Creation of lightcurve plot failed [Sun Oct 30 16:21:24 2011] Warning, bgd. level not computed because source mask doesn't exist [Sun Oct 30 16:21:24 2011] Creation of lightcurve plot failed [Sun Oct 30 16:21:24 2011] Creation of lightcurve plot failed [Sun Oct 30 16:21:36 2011] Error reading totcts from fullrun_ccd7_acisf10871_pi14-548_pass1_cl_src2_src.pi.gz