Internal Error: Sub-system: CDMS, File: /quartus/dni/cdms/cdms.cpp, Line: 65 - Internal Error: Sub-system: CDMS, File: /quartus/dni/cdms/cdms.cpp, Line: 65 Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 22.4 and earlier, you may see this internal error during the Analysis & Synthesis compilation stage. This problem can occur when multiple processes try accessing the same database file. The internal error message will be similar to the one shown below: Internal Error: Sub-system: CDMS, File: /quartus/dni/cdms/cdms.cpp, Line: 65 UNHANDLED ERROR: Disk operation 'Remove directory' failed on '<generic_path>'. The following error was reported by the operating system: 'There are no more files.'. This problem only occurs on Windows OS. Resolution To work around this problem, add the following assignment to your project .qsf file: set_global_assignment -name AUTO_PARALLEL_SYNTHESIS OFF This problem is scheduled to be fixed in a future release of the Intel® Quartus® Prime Pro Edition Software. Custom Fields values: ['novalue'] Troubleshooting 15011932114 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 23.1 22.3 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']