Error(19063): Found an IOPLL cascade chain of three or more IOPLLs. The first three IOPLLs found are listed below. - Error(19063): Found an IOPLL cascade chain of three or more IOPLLs. The first three IOPLLs found are listed below. Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 22.1 and earlier, you may see this error when your design contains IOPLL to IOPLL clock connections through the mgmt_clk input port. IOPLL to IOPLL clock connections through the mgmt_clk input port should not be considered as PLL cascading. Resolution A patch is available to fix this problem for the Intel® Quartus® Prime Pro Edition Software version 21.3 Download and install Patch 0.36 from the appropriate link below. Download patch Intel® Quartus® Prime Pro Edition 21.3 Patch 0.36 for Windows (.exe) Download patch Intel® Quartus® Prime Pro Edition 21.3 Patch 0.36 for Linux (.run) Download the Readme for Intel® Quartus® Prime Pro Edition 21.3 Patch 0.36 (.txt) This problem is scheduled to be fixed in a future release of the Intel® Quartus® Prime Pro Edition Software. Custom Fields values: ['novalue'] Troubleshooting 18021205801 False ['IOPLL IP'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 22.3 21.3 ['Agilex™ 7 FPGAs and SoCs', 'Stratix® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']