Solved by user_123454321 in post #2 
              
              
                Hey, I used to get this very error when I used to build for arm64. Then when I built without QNN_PACK, and PYTORCH_QNN_PACK it worked. I also found that the tag v1.4.0 I was able to build with PYTORCH_QNN_PACK. So if you don’t need QNN_PACK (this is for low-precision fast inference on small devices,…