error create package

Hello ! i´m getting a problem when i connect with flex/ribbit... anyone can help me? my code [code:1]public function init():void { loginparam.username = 'xxxxxxxxxxxxxx'; loginparam.password = 'xxxxxxxxxxxx'; loginparam.appID = 'xxxxxxxxxxxx'; loginparam.devID = 'xxxxxxxxxxxx'; request.authenticationManager.addEventListener(AuthenticationEvent.LOGGING_IN,handlefunction); authman.addEventListener(AuthenticationEvent.ERROR,handlefunction); authman.addEventListener(AuthenticationEvent.LOGGED_IN,handlefunction); request.login('','','','',loginparam); }[/code:1] ERROR: [quote]256042238474 2.5.0.1070:[INFO ] proxy::NetConnectionProxy :: messageProxy-rtmp code:NetConnection.Connect.Success uri:rtmp://8.15.247.161:1935/ribbit group:messageProxy 1256042238475 2.5.0.1070:[INFO ] proxy::NetConnectionProxy :: setting connection to facade:[NetConnectionProxy:rtmp://8.15.247.161:1935/ribbit connected:true] 1256042240189 2.5.0.1070:[INFO ] proxy::NetConnectionProxy :: callProxy-rtmp code:NetConnection.Connect.Success uri:rtmp://8.15.247.161:1935/ribbit group:callProxy 1256042240190 2.5.0.1070:[INFO ] proxy::NetConnectionProxy :: setting connection to facade:[NetConnectionProxy:rtmp://8.15.247.161:1935/ribbit connected:true] 1256042240646 2.5.0.1070:[WARN ] model::AuthPackage :: >> recreating package << 1256042240825 2.5.0.1070:[WARN ] model::AuthPackage :: >> recreating package << 1256042240928 2.5.0.1070:[WARN ] model::AuthPackage :: >> recreating package << 1256042241043 2.5.0.1070:[WARN ] model::AuthPackage :: >> recreating package << 1256042241153 2.5.0.1070:[WARN ] model::AuthPackage :: >> recreating package << 1256042241263 2.5.0.1070:[WARN ] model::AuthPackage :: >> recreating package << 1256042241382 2.5.0.1070:[WARN ] model::AuthPackage :: >> recreating package << 1256042241489 2.5.0.1070:[WARN ] model::AuthPackage :: >> recreating package << 1256042241611 2.5.0.1070:[WARN ] model::AuthPackage :: >> recreating package << [b]Error: createPackage failed[/b] at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/createPackage() at com.ribbit.api.kernal.v25.model::AuthPackage/get encryptedPackage() at com.ribbit.api.kernal.v25.managers.authentication::AuthLoginRequest/protocolResult() at Function/http://adobe.com/AS3/2006/builtin::apply() at com.ribbit.api.kernal.v25.model::RequestResponder/result() 1256042241791 2.5.0.1070:[WARN ] model::AuthPackage :: >> recreating package << at com.ribbit.api.kernal.v25.model::RequestObject/applyResult() at com.ribbit.api.kernal.v25.proxy::NetConnectionProxy/onResultEvent() at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at com.ribbit.api.kernal.v25.proxy::NetConnectionProxy/dispatchResult() at com.ribbit.api.kernal.v25.proxy::NetConnectionProxy/fpCallback()[/quote]