iOS Facebook cannot post on another user's wall

i trying make post on user's wall using user using fbconnect. using embedded method of ios facebook api (that is, forcing browser appear inside app, not leaving application @ all). method works posting wall of same user, doesn't work on wall of user.

code:

    self.facebook = [[[facebook alloc] initwithappid:self.appid anddelegate:self] autorelease]; if ([self.facebook issessionvalid]) {     [self proceedtopost]; }else{     [self.facebook authorize:nil]; }  - (void)proceedtopost {  nsmutabledictionary* params = [nsmutabledictionary dictionarywithobjectsandkeys: @"myname", @"name",                                self.appid, @"app_id",                                self.title, @"caption",                                self.link, @"link",                                @"animateurl", @"picture",                                nil]; [params setobject:"my-user-profile-id" forkey:@"to"]; [self.facebook dialog:@"feed" andparams:params anddelegate:self]; } 

the problem authorization done expected, when trying post, see error message in embedded browser "cannot post user's wall".

can me this?

 

fb doesn't support this.

 

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