Due to a problem in Intel® Quartus® Prime Standard Edition version 20.1 and earlier, you may see the following synthesis error if there are 2 instances of Generic Serial Flash Interface Intel® FPGA IP.
Error (10228): Verilog HDL error at try_intel_generic_serial_flash_interface_top_1_qspi_inf_inst.sv(879): module "adapter_8_1" cannot be declared more than once.