Then' is not matched

#!/bin/sh
clear

 while :
  do
   tput cup 7 1  ; echo "Name of the EDP operator: ______________ (Q-Quit)\c"
    tput cup 7 27 ; read aeUserId

     case "$aeUserId" in
      "Q"|"q")        return
                       ;;
                        "")             continue
                         ;;
         esac
 ##
 ## Check for valid UNIX user
 ##
  if ! grep "$aeUserId:" /etc/passwd > /dev/null ; then
  tput cup 9 1 ; echo "ERROR: User Id specified does not exist..."
   Pause
             continue
                      fi
                       break
                        done
 echo PLEASE ENTER THE ENVIRONMENT ITMM or ASIA
read env
env="$echo "$env" | tr "[:lower:]" "[:upper:]")"
if [ "$env" = "ITMM" ] ; then
echo $PLEASE ENTER THE FUNCTIONAL PREFIX with '*'
read tk
find /apps/pahalnger2/storage/data -name "$tk" -exec ls -lrt {} \;
elif [ "$env" = "ASIA" ] ; then
echo $PLEASE ENTER THE FUNCTIONAL PREFIX with '*'
read kt
find /apps/pahalnger3/storage/data -name "$kt" -exec ls -lrt {} \;