Internal Error: Sub-system: CDB_SGATE, File: /quartus/db/cdb_sgate/cdb_sgate_compatible_registers.cpp, Line: 437 m_oterm_2_set_id_map.find(iname_id) == m_oterm_2_set_id_map.end() - Internal Error: Sub-system: CDB_SGATE, File: /quartus/db/cdb_sgate/cdb_sgate_compatible_registers.cpp, Line: 437 m_oterm_2_set_id_map.find(iname_id) == m_oterm_2_set_id_map.end() Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 22.4, you might get this error when compiling your project during the synthesis stage. Resolution To work around this problem, perform either of these two options: Add the following assignment to your .qsf file set_global_assignment -name AUTO_PARALLEL_SYNTHESIS OFF Download and install patch 0.08 for the Intel® Quartus® Prime Pro Edition Software version 22.4 from the appropriate link below: Download patch Intel® Quartus® Prime Pro Edition Software 22.4 Patch 0.08 for Windows (.exe). Download patch Intel® Quartus® Prime Pro Edition Software 22.4 Patch 0.08 for Linux (.run). Download the Readme for Intel® Quartus® Prime Pro Edition Software 22.4 Patch 0.08 (.txt). This problem is fixed beginning in version 23.1 of the Intel® Quartus® Prime Pro Edition Software. Custom Fields values: ['novalue'] Troubleshooting 14018442254, 14018520473, 14018522929 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 23.1 22.4 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']