Shell Programming and Scripting

tar: Error exit delayed from previous errors

#! /bin/bash
CEP=/home/user01/exercise/CEP
ARCH=/home/user01/exercise/archive
LOG=/home/user01/exercise/logs
#################### initialization
# Archival date
if [ `date +%a` = "Mon" ]; then
        let arc_date=`date +%Y%m%d --date='3 days ago'` # friday
else
        let arc_date=`date +%Y%m%d --date='yesterday'`
fi
#################### archive previous files
mkdir -p $ARCH/$arc_date
if [ "$?" -eq "0" ]; then
        tar -Pczf $ARCH/${arc_date}/${arc_date}.tgz $LOG/*.log $CEP/*.log.* $CEP/Adapter/*.csv $CEP/*.csv
rm -rf $LOG/*.log
rm -rf $CEP/*.csv
rm -rf $CEP/*.log.*
rm -rf $CEP/Adapter/*.csv
fi

tar: /home/user01/exercise/logs/*.log: Cannot stat: No such file or directory
tar: /home/user01/exercise/CEP/*.log.*: Cannot stat: No such file or directory
tar: /home/user01/exercise/CEP/Adapter/*.csv: Cannot stat: No such file or directory
tar: /home/user01/exercise/CEP/*.csv: Cannot stat: No such file or directory
tar: Error exit delayed from previous errors