The Value of tx_pll_m_divider is invalid

Hi Everyone;

I am trying to synthesise Altera's 10GBASE-R PHY IP but I get these three errors

Error (272006): The chosen data rate or input clock frequency cannot be implemented. (The value of tx_pll_m_divider is invalid)

Error (272006): The chosen data rate or input clock frequency cannot be implemented. (The value of rx_cru_m_divider is invalid)

Error (287078): Assertion error: Valid clear box generator not found or Errors encountered during clear box generation

Assuming that fixing the first two errors fixes the third as well, I did some research but couldn't resolve it. Altera's support website says you have to use the MegaWizard plug-in to generate the instantiation but it doesn't give any instantiation template. It generates a component declaration file which I am using for declaring the component. Been trying to go round this problem for some days now so any help will be highly appreciated.

Thanks