ID:169075 Ignored Slow Slew Rate logic option for following <number> pins

CAUSE: You turned on the Slow Slew Rate logic option for the specified number of pins. However, the current device family does not support the Slow Slew Rate logic option. As a result, the Fitter ignored the assignment. Click the + icon in the Messages window or the Messages section of the Report window to display details on which pins have the Slow Slew Rate logic option turned on.

ACTION: If you want the Fitter to ignore the logic option assignment, no action is required. Otherwise, remove the Slow Slew Rate logic option from the specified pins.