Internal Error: Sub-system: EMIF, File: /quartus/h/cdb_atom_sys.h, Line: 860 - Internal Error: Sub-system: EMIF, File: /quartus/h/cdb_atom_sys.h, Line: 860 Description Due to a problem in the Intel® Quartus® Prime Pro Edition software version 17.1 Update 1, you may see this error message during the fitter stage of compilation. Resolution This problem is fixed beginning with the Intel Quartus Prime Pro Edition software version 18.0. Custom Fields values: ['novalue'] Troubleshooting FB: 529036; False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 18.0 17.1.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']