Software emulation OpenCL runtime error, Xilinx/Vitis

[sysuresh]

We are getting the following error when running software emulation make emu with Xilinx Vivado and Vitis - what could be the cause?

***************************************************
PipeCNN: An OpenCL-Based FPGA Accelerator for CNNs 
***************************************************
ERROR: Unable to find the desired OpenCL platform.

[doonny]

Please check the Vitis installation and enviroment settings.

[zyt1024]

Please check the Vitis installation and enviroment settings.

Hello, I would like to ask, if I am using the U200 platform, does this place in the makefile need to be modified?

#set the Linux related tools
#EDGE_COMMON_SW := /opt/petalinux/2020.1
EDGE_COMMON_SW := /home/fpga/Xilinx/petalinux/2020.1ZCU102
#EDGE_COMMON_SW := /home/fpga/Xilinx/petalinux/2020.1ZC706```