[Click] help regd udpgen.click

[asw ini]

hi!
 i am a newbie of click.with some difficulty i installed click both at user and kernel level.and when i  tried to compile the file udpgen.click,by giving,"click udpgen.click" it gave the following errors,
udpgen.click:28:unknown element class 'Fastudpsource'
udpgen.click:30:unknown element class 'polldevice'
udpgen.click:30:undeclared element  'Tohost'(first use this block)
please help me in this by telling where i am doing wrong.
Thank you.
regards,
aswini ram



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