show error message if the template title exists
show error message if the template title exists

Signed-off-by: Xheni Myrtaj <57105e91f28e3c45b5a16b619e65500ce5b9a6c8@gmail.com>

bramley/phplist3,phpList/phplist3,bramley/phplist3,phpList/phplist3,phpList/phplist3,phpList/phplist3,bramley/phplist3,bramley/phplist3,phpList/phplist3,bramley/phplist3