Uninitialized dynamic port

Hi,
I followed this
http://msdn.microsoft.com/en-us/library/dd787968%28v=bts.10%29.aspx

while I've got few issues. Could you please advise?
Error    2    uninitialized dynamic port 'Xml_to_FF4.Orchestration_1.Port_db'    C:\app8\BizTalk Orchestration.odx    298    28    
Error    3    use of unconstructed message 'Message_db'    C:\app8\BizTalk Orchestration.odx    298    41    
Error    4    uninitialized dynamic port 'Xml_to_FF4.Orchestration_1.Port_db'    C:\app8\BizTalk Orchestration.odx    300    31    
Error    5    use of unconstructed message 'Message_FF'    C:\app8\BizTalk Orchestration.odx    302    41    

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Many Thanks & Best Regards, Hua Min