Modular ADC core Intel FPGA IP ANAIN1 only (pins Channel 1, 2...TSD using as GPIO)

Dear, I want use Modular ADC core Intel FPGA IP. But ANAIN iput only (10M08SAE144I7G). Another ADC pins (Channel 1, 2...TSD) not, this pins are used as GPIO. Error (176310): Can't place multiple p...