RuntimeError: mat1 and mat2 shapes cannot be multiplied (64x1024 and 4096x1)

[godomainz]

there seems to an issue with the code
I'm getting below error

 File "C:\Users\Akila\anaconda3\lib\site-packages\torch\nn\modules\module.py", line 1051, in _call_impl
    return forward_call(*input, **kwargs)
  File "G:\Python_Projects\computer-vision\Module 3 - GANs\discriminator.py", line 64, in forward
    output1 = self.dense_1(output)
  File "C:\Users\Akila\anaconda3\lib\site-packages\torch\nn\modules\module.py", line 1051, in _call_impl
    return forward_call(*input, **kwargs)
  File "C:\Users\Akila\anaconda3\lib\site-packages\torch\nn\modules\linear.py", line 96, in forward
    return F.linear(input, self.weight, self.bias)
  File "C:\Users\Akila\anaconda3\lib\site-packages\torch\nn\functional.py", line 1847, in linear
    return torch._C._nn.linear(input, weight, bias)
RuntimeError: mat1 and mat2 shapes cannot be multiplied (64x1024 and 4096x1)