etl_logs.sh -> kaltura access log couldnt be processed

if [ $# -eq 0 ]; then
        echo "No specific date requested, taking today"
        WHEN=$(date +%Y%m%d)
elif [ $# -eq 1 ]; then
        echo "You requested $1"
        WHEN=$1
else
        echo "Invalid user input"
        exit 1;
fi

ETLHOME="/home/etl/"
ETLOGS="${ETLHOME}/logs"
JOBLOG="${ETLOGS}/etl_job-$WHEN.log"

    if [ -s /opt/kaltura/log//kaltura_apache_access.log-$WHEN.gz ] ; then
        echo -e "\n"
        echo "-----------------------------" >>$JOBLOG
        echo "kaltura access log is processed" >>$JOBLOG
        echo "-----------------------------" >>$JOBLOG
        zcat /opt/kaltura/log//kaltura_apache_access.log-$WHEN.gz |php /opt/kaltura/app//alpha/scripts/create_event_log_from_apache_access_log.php  2>>$JOBLOG > ${ETLHOME}/events/_events_log_combined_kaltura-${WHEN}

        mv ${ETLHOME}/events/_events_log_combined_kaltura-${WHEN} ${ETLHOME}/events/events_log_combined_kaltura-${WHEN}

   else
        echo -e "\n"
        echo "-----------------------------" >>$JOBLOG
        echo "kaltura access log couldnt be  processed" >>$JOBLOG
        echo "-----------------------------" >>$JOBLOG
        echo "kaltura access log couldnt be  processed" | mail -s "etljob file failed : `date`" ${MAILUSERS}
   fi