ID:12677 No exact pin location assignment(s) for <number> pins of <number> total pins. For the list of pins please refer to the I/O Assignment Warnings table in the fitter report

CAUSE: The specified number of pins in the design have no exact pin location assignments. For example, the pin may be assigned to a specific I/O bank. This information is provided to show which pins you can assign to a location on the device.

ACTION: No action is required.