Error: (vsim-3043) Hierarchical name is not allowed within a constant expression [4(IEEE)] - Error: (vsim-3043) Hierarchical name is not allowed within a constant expression [4(IEEE)] Description Due to a problem in the Intel® Quartus Prime software version 16.1, when running simulation for tests whose name start with sriov , sriov2 , and cgbp , you see this error. Resolution To fix the problem, download the file relevent to your software: Intel® Quartus Prime Pro software - altpcietb_bfm_cfbp.v Intel® Quartus Prime Standard software - altpcietb_bfm_cfbp.v Note : This issue has been fixed in Intel® Quartus Prime software version 17.0. Custom Fields values: ['novalue'] Troubleshooting FB: 2205872895; False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 17.0 16.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']