Expected 3-dimensional input for 3-dimensional weight [64, 3, 7], but got 2-dimensional input of size [317829, 3] instead

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Hi I am trying to apply a Resnet work model to my data.
But i have the run time error Expected 3-dimensional input for 3-dimensional weight [64, 3, 7], but got 2-dimensional input of size [317829, 3] instead.
What should i do now?