KERBEROS_V4 -help needed ASAP

#!/bin/sh
HOST='ftp.bend.com'
USER='temp1'
PASSWD='temp2'
FTPPATH='SY1:[TEMP.KLM.DIR]'
ifile='concat.txt'
#FTP concatenated file
ftp -n $HOST <<END_SCRIPT
quote USER $USER
quote PASS $PASSWD
binary
cd $FTPPATH
put $ifile
get $ifile retrieval.$$
quit
END_SCRIPT
if [ -f retrieval.$$ ]
then
echo "FTP of $ifile is complete"
rm -f retrieval.$$
else
echo "FTP of $ifile is incomplete"
fi
exit 0
~

when i run the above script through Datastage tool i get the error as follows:
samplejob..JobControl (@Check_Count): Executed:
sh test123.sh
Reply=0
Output from command ====>
I never heard of the AUTH command. Try HELP.
I never heard of the AUTH command. Try HELP.
KERBEROS_V4 rejected as an authentication type
local: concat.txt: No such file or directory
%%RMS-E-FNF, file not found
FTP of concat.txt is incomplete

can some 1 tell me y this happens:
here concat is the file in my local that i have to put in the remote server.

my ftp client is WS-FTP pro

Stop using words like ASAP. People are not here to _serve_ you nor did you pay for support. So be patient and polite, thank you.