ERROR:PLC 512: Too many input I/Os of type SSTL2I, SSTL2II, GTLP25 and GTL25 are assigned to Bank<number>. Bank<number> can only have up to 72 input I/Os of type SSTL2I, SSTL2II, GTLP25 and GTL25.

You have assigned too many SSTL2I, SSTL2II, GTLP25, and GTL25 input I/Os to the bank. The maximum allowed is 72.

Action

Reduce the number of SSTL2I, SSTL2II, GTLP25, and GTL25 input I/Os below 72.