Forum OpenACS Q&A: Request error when Initialize OpenFTS Engine as per install doc's

Return to your home page. Near the bottom of the page, Click on the "OpenFTS Driver" link. Then click on "Administration". Finally, click on "Initialize OpenFTS Engine". Accept the defaults and continue.

When attempting to complete the above instruction of Initializing the OpenFTS Engine, as per the openacs-4 install doc’s. The system returns the following error.
can't read "opt(txtidx_field)": no such variable
    while executing
"string length $opt(txtidx_field)"
    (procedure "Search::OpenFTS::Index::init" line 23)
    invoked from within
"Search::OpenFTS::Index::init opt"
    invoked from within
"array set idx [Search::OpenFTS::Index::init opt]"
    ("uplevel" body line 35)
    invoked from within
"uplevel {
    	  ad_page_contract {

    Initialize OpenFTS

    @author Neophytos Demetriou

} {
    table_name
    table_id
    dict
    parser
    ..."
    (procedure "code::tcl::/web/xxxxx/packages/openfts-
driver/www/admin..." line 2)
    invoked from within
"code::tcl::$__adp_stub"
    invoked from within
"if { [file exists $__adp_stub.tcl] } {

      # ensure that data source preparation procedure exists and is 
up-to-date
      adp_init tcl $__adp_stub
..."
    ("uplevel" body line 3)
    invoked from within
"uplevel {

    if { [file exists $__adp_stub.tcl] } {

      # ensure that data source preparation procedure exists and is 
up-to-date
      adp_init t..."
    (procedure "adp_prepare" line 3)
    invoked from within
"adp_prepare "
    (procedure "template::adp_parse" line 30)
    invoked from within
"template::adp_parse [file root [ad_conn file]] {}"
    (procedure "adp_parse_ad_conn_file" line 7)
    invoked from within
"$handler"
    ("uplevel" body line 2)
    invoked from within
"uplevel $code"
    invoked from within
"ad_try {
	$handler
      } ad_script_abort val {
	# do nothing
      }"
    invoked from within
"rp_serve_concrete_file [ad_conn file]"
    (procedure "rp_serve_abstract_file" line 60)
    invoked from within
"rp_serve_abstract_file "$root/$path""
    ("uplevel" body line 2)
    invoked from within
"uplevel $code"
    invoked from within
"ad_try {
	rp_serve_abstract_file "$root/$path"
	set tcl_url2file([ad_conn url]) [ad_conn file]
	set tcl_url2path_info([ad_conn url]) [ad_conn path_inf..."


Any help will be of great help greatly. Thank you all in advance