AttributeError: Could not find IP or hierarchy usp_rf_data_converter_0 in overlay

[pynqishard]

Hi,
I am new to the PYNQ environment, and I tried to load a bitstream to the RFSoC ZCU216. I followed the RFSoC example design, but I encountered an error. I am not sure if I missed any steps.
The error is below:

Thanks!