Error on Tab Profile

hi,I
I have succesfully created facebook application. The canvas page works fine. I use IFrame as render method.
and then I Add this application as a Tab on my facebook profile. for the Tab URL I use "user/register"
When I click this Tab, I got this error message:

Errors while loading page from application
Parse errors:

FBML Error (line 31): illegal tag "body" under "fb:tab-position"

Runtime errors:

Names beginning with "fb" are reserved by Facebook (fb_sig_in_profile_tab)

Names beginning with "fb" are reserved by Facebook (fb_sig_profile_user)

Names beginning with "fb" are reserved by Facebook (fb_sig_profile_id)

Names beginning with "fb" are reserved by Facebook (fb_sig_in_canvas)

Names beginning with "fb" are reserved by Facebook (fb_sig_request_method)

Names beginning with "fb" are reserved by Facebook (fb_sig_locale)

Names beginning with "fb" are reserved by Facebook (fb_sig_in_new_facebook)

Names beginning with "fb" are reserved by Facebook (fb_sig_time)

Names beginning with "fb" are reserved by Facebook (fb_sig_added)

Names beginning with "fb" are reserved by Facebook (fb_sig_country)

Names beginning with "fb" are reserved by Facebook (fb_sig_api_key)

Names beginning with "fb" are reserved by Facebook (fb_sig_app_id)

Names beginning with "fb" are reserved by Facebook (fb_sig)

HTML error while rendering tag "link": There is a hard limit of 2 css link tags on profile tabs in order to remain under the IE 31 tag limit.

Cannot allow external script

any idea for this message?
thank you