Error: no such variable (read trace on "::env(IP_ROOTDIR)") - Error: no such variable (read trace on "::env(IP_ROOTDIR)") Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 18.1, you might receive the following error message when generating the eSRAM Intel® FPGA IP core. Error: no such variable (read trace on "::env(IP_ROOTDIR)") Resolution To work around this problem, ensure the Windows* environment variable "IP_ROOTDIR" to "%QUARTUS_ROOTDIR%\..\ip\" is set. This problem is fixed starting with the Intel® Quartus® Prime Pro/Standard Edition Software version 19.2 Custom Fields values: ['novalue'] Troubleshooting FB: 599833; False ['Memory Models'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 19.2 18.1 ['Stratix® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']