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()

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.

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.