Warning(332174): Ignored filter at alt_sld_fab_0_st_dc_fifo_<unique ID>.sdc(Line number): *|in_wr_ptr_gray[*] could not be matched with a register - Warning(332174): Ignored filter at alt_sld_fab_0_st_dc_fifo_<unique ID>.sdc(Line number): *|in_wr_ptr_gray[*] could not be matched with a register Description Due to a problem in the Quartus® Prime Pro Edition Software version 25.3, you might see 'ignored filter' SDC warnings when your design includes the Partial Reconfiguration External Configuration Controller IP . Resolution This warning is safe to ignore and is scheduled to be removed in a future release of the Quartus® Prime Pro Edition Software. Related IP Core Partial Reconfiguration External Configuration Controller IP Custom Fields values: Troubleshooting 30020122768 ['Basic Functions'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 25.3.1 25.3 ['Agilex™ 3 FPGAs and SoCs', 'Agilex™ 5 FPGAs and SoCs', 'Agilex™ 7 FPGAs and SoCs', 'Agilex™ 9 FPGAs and SoCs', 'Stratix® 10 FPGAs and SoCs']