Hi, I am getting this error (from the subject line) in a custom block I created that is effectively just the combination of a window block and a xilinx fft ip core. I am using UHD-4.0 (and Vivado 2019.1).
After searching the user's list, I found some old posts from Jonathan Pendlum that indicated that this was a known issue related to the Xilinx FFT IP core. The solution in the previous posts was to copy a "wave.do" file from the Ettus in-tree FFT tb folder. I didn't find such a file in UHD-4.0 and so I'm wondering if there is a solution that works for UHD-4.0. Rob
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