Internal Error: Sub-system: RDB, File: /quartus/db/rdb/rdb_utility.cpp, Line: 1944 rval == nullptr - Internal Error: Sub-system: RDB, File: /quartus/db/rdb/rdb_utility.cpp, Line: 1944 rval == nullptr Description Due to a problem in the Quartus® Prime Pro Edition Software version 25.3.1 and earlier, you might see this internal error when performing an IP Upgrade. Resolution To work around this problem, delete the qdb folder before compiling the project. This problem is scheduled to be fixed in a future version of the Quartus® Prime Pro Edition Software. Custom Fields values: ['novalue'] Troubleshooting 14026439061 novalue ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] novalue 20.1 ['Agilex™ 7 FPGAs and SoCs', 'Arria® 10 FPGAs and SoCs', 'Cyclone® 10 GX FPGA', 'Stratix® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']