Quartus

Design requires <number> I/O pins, including <number> reserved pins, but the selected device can contain only <number> I/O pins


CAUSE: You created a design that contains the specified number of I/O pins, including the specified number of reserved pins, but the selected device can contain only the specified number of I/O pins.
ACTION: Reduce the number of I/O pins in the design, select a larger device, or partition the project among additional devices. If the message indicates that some dual-purpose pins are reserved, unreserve one or more of these pins.

See also:

Reserving Individual Dual-Purpose Configuration Pins
Specifying the Device Family & Device for Compilation

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