Warning: 18059 Ignored Maximum Fan-Out assignment - Warning: 18059 Ignored Maximum Fan-Out assignment Description Due to a problem in the Intel® Quartus® Prime Standard Edition Software version 20.1 and earlier, you may see this warning if the "maxfan" assignment is applied to a register that drives an input of an M20K block RAM. Resolution To work around this issue, perform one of the following options: Manually split the RAM into smaller blocks and feed each block with its own copy of the read and write address registers. Set a "dont_merge" attribute on each copy of the read and write address registers This problem is fixed beginning with the Intel Quartus® Prime Standard Edition Software version 21.1 Custom Fields values: ['novalue'] Troubleshooting 14013486143 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Standard'] 21.1 20.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']