Internal Error: Sub-system: CDB_SGATE, File: /quartus/db/cdb_sgate/cdb_sgate_partition_boundary_mapping.cpp, Line: 100 - Internal Error: Sub-system: CDB_SGATE, File: /quartus/db/cdb_sgate/cdb_sgate_partition_boundary_mapping.cpp, Line: 100 Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 21.2 and earlier, you might see the following error when a child partition port is not driven by the parent partition and the port name contains a special character like "\": Internal Error: Sub-system: CDB_SGATE, File: /quartus/db/cdb_sgate/cdb_sgate_partition_boundary_mapping.cpp, Line: 100 Resolution To work around this problem, turn off the Design Assistant rule TMC-10115 from the Assignments/Settings menu > Design Assistant Rules Settings window. This problem is fixed beginning with the Intel® Quartus® Prime Pro Edition Software version 22.1. Custom Fields values: ['novalue'] Troubleshooting 15010027782 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 22.1 21.2 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']