bad option "menu_object": should be one of...
  rWStatic3 add_metadata field value
  rWStatic3 binary_content
  rWStatic3 cget -option
  rWStatic3 clear_metadata
  rWStatic3 configure ?-option? ?value -option value...?
  rWStatic3 content language ?fmt?
  rWStatic3 content_disposition
  rWStatic3 content_field language field ?default_val?
  rWStatic3 content_length
  rWStatic3 content_type
  rWStatic3 current_handler
  rWStatic3 destroy
  rWStatic3 get_resource_repr resource_key
  rWStatic3 headline language
  rWStatic3 init ?arg arg ...?
  rWStatic3 isa className
  rWStatic3 javascript
  rWStatic3 key
  rWStatic3 languages
  rWStatic3 metadata ?key?
  rWStatic3 metadata_hooks hooks_d
  rWStatic3 mimetype
  rWStatic3 postproc_hooks urlhandler hooks_d hooks_class ?language?
  rWStatic3 postprocessing urlhandler
  rWStatic3 prepare language argsqs
  rWStatic3 prepare_content urlhandler language argsqs
  rWStatic3 print_content language
  rWStatic3 put_metadata dictionary
  rWStatic3 refresh timereference
  rWStatic3 resource_exists resource_key
  rWStatic3 send_headers
  rWStatic3 send_output language
  rWStatic3 set_content language field value
  rWStatic3 set_content_type ct
  rWStatic3 set_key k
  rWStatic3 set_metadata mdlist
  rWStatic3 set_pagetext language page_text ?rootel?
  rWStatic3 set_title language title_t
  rWStatic3 set_title_dict language title_txt
  rWStatic3 special_headers language
  rWStatic3 title ?language? ?titletxt? ?arg arg ...?
  rWStatic3 to_string
  rWStatic3 url_args
    while executing
"$page menu_object"
    (object "::PageHandler" method "::rwdatas::PageHandler::menu_list" body line 16)
    invoked from within
"$ds menu_list $::rivetweb::current_page"
    (object "::rWStatic3" method "::rwpage::RWPage::prepare_content" body line 16)
    invoked from within
"$::rivetweb::current_page prepare_content  [::rwdatas::UrlHandler::current_handler]   $::rivetweb::language $argsqs"
    (in namespace eval "::rivetweb" script line 93)
    invoked from within
"namespace eval ::rivetweb {

    # let's load the environment into array ::request::env

    ::rivet::load_env env
    ::rivet::apache_log_error debug..."
    (file "/home/manghi/rivetweb/tcl/before.tcl" line 14)
    invoked from within
"source [file join $rweb_root tcl before.tcl]"
    ("eval" body line 1)
    invoked from within
"eval $script"
    ("::try" body line 6)

OUTPUT BUFFER:

source [file join $rweb_root tcl before.tcl]