ID:11984 File conversion is not allowed for internal active serial clock source that is greater than 12.5MHz when CvP and non-volatile design security features are enabled.

CAUSE: You attempted to convert a file with the Configuration via Protocol (CvP) and design security feature enabled for Stratix V, Arria V, or Cyclone V device. The active serial clock source is not allowed.

ACTION: Use an active serial clock source with 12.5MHz or less when converting a device file with the CvP and design security feature enabled.