line 21: 0: command not found

#!/bin/bash

#PATH
PATH=/root/tmp

# email subject
SUBJECT="Client update status"

# Email To noc
EMAIL="mail@domain.com"

# Email text/message
EMAILMESSAGE="$PATH/emailmessage.txt"

#Download Product
#/usr/bin/wget --header='Accept:application/xml'  https://api.example.com/volume/catalog/product/12345 -O /root/tmp/prdetail_2.txt

#Comparing 2 files
/usr/bin/diff $PATH/prdetail_1.txt $PATH/prdetail_2.txt >/dev/null
result=$?
if [ $result -eq 0 ] ; then
  echo "No Changes found in file" > $EMAILMESSAGE
  /bin/mail -s "$SUBJECT" "$EMAIL" < $EMAILMESSAGE

##Setting up date to purge error from log
NOW=$(date +"%y-%m-%d:%T")
END=$(date +"%y-%m-%d:%T" --date='20 minute ago')

else
  /usr/bin/curl http://localhost/clientupdate/clientid=200
  /bin/cat /var/logs/clientupdate.log |/bin/sed -n '/$NOW/,/$END/ p' > $PATH/outlog.txt
  /bin/cat $PATH/outlog.txt | /bin/grep 'Error' > /dev/null
  value=$?

  #IF error found clear the cache
  if [ $value -eq 1 ]
  then
    echo "Update failed" > $EMAILMESSAGE
    echo $path/outlog.txt >> $EMAILMESSAGE
    /bin/mail -s "$SUBJECT" "$EMAIL" < $EMAILMESSAGE
  else
     /usr/bin/curl http://127.0.0.1/url=1
     /usr/bin/curl http://127.0.0.1/url=2
     echo "Update Success" > $EMAILMESSAGE
     /bin/mail -s "$SUBJECT" "$EMAIL" < $EMAILMESSAGE
  fi

fi

##Clearing tmp files used for script
/bin/rm -rf $PATH/outlog.txt
/bin/rm -rf $PATH/prdetail*.txt 
/bin/rm -rf $PATH/emailmessage.txt