ID:11988 Current design is compliant. File conversion is allowed. However, file conversion is not allowed for internal active serial clock source greater than 12.5 MHz when you enable the CvP and non-volatile design security features

CAUSE: You attempted to convert a file with configuration via protocol (CvP) and design security features enabled for Arria V, Cyclone V, or Stratix V devices. This is an information message to indicate that file conversion will not be allowed for internal active serial clock source greater than 12.5 MHz when the CvP and non-volatile design security features are enabled.

ACTION: Use 12.5 MHz active serial clock source or lower when converting a file with CvP and design security features enabled for this device.