ID:169230 Output Buffer Delay Control setting <name> on pin <name> cannot have Slew Rate logic option setting <number> with I/O standard <name>

CAUSE: You assigned the Slew Rate logic option setting to the specified pin, but the specified setting is not allowed with the specified Output Buffer Delay Control setting for this pin.

ACTION: Assign a legal Slew Rate logic option setting to the pin or assign a different Output Buffer Delay Control setting.