Show me the error

can't read "::comp": no such variable
    while executing
"h4 class="margin-0 padding-0 text-center text-uppercase" "w3c-$::comp customizer""
    ("uplevel" body line 2)
    invoked from within
"uplevel 1 [lindex $args end]"
    (procedure "cgi_division" line 9)
    invoked from within
"division class="col-12 p-2 pt-3 shadow" {
		    h4 class="margin-0 padding-0 text-center text-uppercase" "w3c-$::comp customizer"
		}"
    ("uplevel" body line 2)
    invoked from within
"uplevel 1 [lindex $args end]"
    (procedure "cgi_division" line 9)
    invoked from within
"division class="row" {
		division class="col-12 p-2 pt-3 shadow" {
		    h4 class="margin-0 padding-0 text-center text-uppercase" "w3c-$::comp customi..."
    ("uplevel" body line 2)
    invoked from within
"uplevel 1 [lindex $args end]"
    (procedure "cgi_division" line 9)
    invoked from within
"division class="container-fluid bg-dark text-light" {
	    division class="row" {
		division class="col-12 p-2 pt-3 shadow" {
		    h4 class="margin-0..."
    ("uplevel" body line 2)
    invoked from within
"uplevel 1 [lindex $args end]"
    (procedure "cgi_division" line 9)
    invoked from within
"division id="${_id}" {
	division class="container-fluid bg-dark text-light" {
	    division class="row" {
		division class="col-12 p-2 pt-3 shadow" {
..."
    (procedure "guts" line 5)
    invoked from within
"guts"
    ("uplevel" body line 1)
    invoked from within
"uplevel guts"
    ("eval" body line 2)
    invoked from within
"eval {
	uplevel guts
    }"
    ("uplevel" body line 1)
    invoked from within
"uplevel eval [lrange $args 1 end]"
    (procedure "tk::comment" line 5)
    invoked from within
"tk::comment "template::0" {
	uplevel guts
    }"
    (procedure "template::0" line 4)
    invoked from within
"[template]"
    (procedure "jforms::init" line 5)
    invoked from within
"${::page}::init"