Take me back where I was (before the error)

no such key: /dotlrn/classes/3e/leadership/demonstrationclass/survey/admin/
    while executing
"nsv_get site_nodes $url"
    (procedure "db_transaction" line 1)
    invoked from within
"db_transaction {

            # DRB: Older versions of this code did a delete/insert pair in an attempt
            # to guard against duplicate inser..."
    (procedure "ad_set_client_property" line 18)
    invoked from within
"ad_set_client_property leftnav selected_nav_item """
    invoked from within
"if { ! [file exists [acs_root_dir]/${nav_file}.adp] } {
    unset nav_file
    ad_set_client_property leftnav selected_nav_item ""
}"
    ("uplevel" body line 596)
    invoked from within
"uplevel {
    	  #  Copyright (C) 2001, 2002 MIT
#
#  This file is part of dotLRN.
#
#  dotLRN is free software; you can redistribute it and/or modify..."
    (procedure "code::tcl::/home/compass/openacs/packages/dotlrn/www/dotlrn-..." line 2)
    invoked from within
"code::tcl::$__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 2)
    invoked from within
"adp_prepare "
    (procedure "template::adp_parse" line 30)
    invoked from within
"template::adp_parse $__adp_master  [concat [list __adp_slave $__adp_output] [array get __adp_properties]]"
    (procedure "template::adp_parse" line 74)
    invoked from within
"template::adp_parse /home/compass/openacs/packages/acs-tcl/lib/ad-return-error {title {Database Error} explanation {<pre>No fullquery for dbqd.survey...."
    ("uplevel" body line 1)
    invoked from within
"uplevel [list template::adp_parse [template::util::url_to_file $template [ad_conn file]] $template_params]"
    (procedure "ad_parse_template" line 15)
    invoked from within
"ad_parse_template -params [list [list title $title] [list explanation $explanation]] "/packages/acs-tcl/lib/ad-return-error""
    (procedure "ad_return_exception_page" line 2)
    invoked from within
"ad_return_exception_page 500 $title $explanation"
    (procedure "ad_return_error" line 2)
    invoked from within
"ad_return_error "Database Error" "<pre>$errmsg</pre>""
    ("uplevel" body line 4)
    invoked from within
"uplevel 1 $on_error"
    (procedure "db_transaction" line 101)
    invoked from within
"db_transaction {
	# if this is a block section, get the choices and run the block for 
	# every choice set
	if {$section_info(block_section_p)=="t"} {..."
    ("uplevel" body line 111)
    invoked from within
"uplevel {
    	  # /www/survsimp/admin/question-add-3.tcl
ad_page_contract {
    Inserts a new question into the database.

    @param section_id     ..."
    (procedure "code::tcl::/home/compass/openacs/packages/survey/www/admin/q..." 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 2)
    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 5)
    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..."