ID:316009 Running timing analysis with a modified temperature grade of the current device from <Name> to <Name>

CAUSE: You specified a change to the temperature grade of the device using the -grade option. The -grade option is provided to support what-if analysis and is not recommended for final sign-off analysis.

ACTION: To obtain a programming file usable for the desired temperature range, select a device with the appropriate ordering code and temperature grade and re-fit the design.