[Wed Sep 21 02:40:23 2011] Warning, bgd. level not computed because source mask doesn't exist [Wed Sep 21 02:40:24 2011] Warning, bgd. level not computed because source mask doesn't exist [Wed Sep 21 02:40:52 2011] Error reading totcts from fullrun_ccd7_acisf07792_pi14-548_pass1_cl_src1_src.pi.gz [Wed Sep 21 02:40:52 2011] Error reading totcts from fullrun_ccd7_acisf07792_pi14-548_pass1_cl_src2_src.pi.gz [Wed Sep 21 02:40:52 2011] Error reading totcts from fullrun_ccd7_acisf07792_pi14-548_pass1_cl_src4_src.pi.gz