$error = "wrong_csrf_token";
}
} elsif ( !exists $stateless_methods{$request_method} && !exists $stateful_methods{$request_method} ) {
elsif ( !exists $stateless_methods{$request_method} && !exists $stateful_methods{$request_method} ) {
$error = sprintf "unknown or unsupported method %s", $request_method;
-