ejabberd 2.1.5 on Debian 6.0.3 - This server does not support registration

Hello,
i have installed ejabbed 2.1.5 on a Debian System v6.0.3.
I use the PSI Client.
But i get the Error: "This server does not support registration"

My /etc/ejabberd/ejabberd.cfg

{acl, admin, {user, "ejadmin", "localhost"}}.
{hosts, ["localhost"]}.
{loglevel, 4}.
{listen,
 [
{ {5222, "192.168.1.247"},      ejabberd_c2s,     [{access, c2s}, {max_stanza_size, 65536},
                       tls, {certfile, "/etc/ejabberd/server.pem"}, {shaper, c2s_shaper}]},
{ {5223, "192.168.1.247"}, ejabberd_c2s,     [{access, c2s}, {max_stanza_size, 65536},
                       tls, {certfile, "/etc/ejabberd/server.pem"}, {shaper, c2s_shaper}]},

  {5269, ejabberd_s2s_in, [
			   {shaper, s2s_shaper},
			   {max_stanza_size, 131072}
			  ]},

  {5280, ejabberd_http, [
			 http_bind,
			 http_poll,
			 web_admin
			]}
 ]}.
{max_fsm_queue, 1000}.
{s2s_use_starttls, true}.
{s2s_certfile, "/etc/ejabberd/server.pem"}.
{s2s_default_policy, allow}.
{auth_method, internal}.
{shaper, normal, {maxrate, 1000}}.
{shaper, fast, {maxrate, 50000}}.
{acl, local, {user_regexp, ""}}.
{access, max_user_sessions, [{10, all}]}.
{access, max_user_offline_messages, [{5000, admin}, {100, all}]}. 
{access, local, [{allow, local}]}.
{access, c2s, [{allow, blocked},
	       {allow, all}]}.
{access, c2s_shaper, [{none, admin},
		      {normal, all}]}.
{access, s2s_shaper, [{fast, all}]}.
{access, announce, [{allow, admin}]}.
{access, configure, [{allow, admin}]}.
{access, muc_admin, [{allow, admin}]}.
{access, muc, [{allow, all}]}.
{access, register, [{allow, all}]}.
{access, pubsub_createnode, [{allow, all}]}.
{language, "en"}.
{modules,
 [
  {mod_adhoc,    []},
  {mod_announce, [{access, announce}]}, % requires mod_adhoc
  {mod_caps,     []},
  {mod_configure,[]}, % requires mod_adhoc
  {mod_admin_extra, []},
  {mod_disco,    []},
  {mod_irc,      []},
  {mod_last,     []},
  {mod_muc,      [
		  {access, muc},
		  {access_create, muc},
		  {access_persistent, muc},
		  {access_admin, muc_admin},
		  {max_users, 500}
		 ]},
  {mod_offline,  [{access_max_user_messages, max_user_offline_messages}]},
  {mod_privacy,  []},
  {mod_private,  []},
  {mod_proxy65,  [
		  {access, local},
		  {shaper, c2s_shaper}
		 ]},
  {mod_pubsub,   [ % requires mod_caps
		  {access_createnode, pubsub_createnode},
		  {pep_sendlast_offline, false},
		  {last_item_cache, false},
		  {plugins, ["flat", "hometree", "pep"]}  % pep requires mod_caps
		 ]},
  {mod_register, [
		  {welcome_message, {"Welcome!",
				     "Welcome to a Jabber service powered by Debian. "
				     "For information about Jabber visit "
				     "http://www.jabber.org"}},


		  {access, register}
		 ]},
  {mod_roster,   []},
  {mod_stats,    []},
  {mod_time,     []},
  {mod_vcard,    []},
  {mod_version,  []}
 ]}.

What did i wrong ?
Thanks for help