ValueError: cannot reshape array of size 1 into shape (5,4)

Course Q&A Deep Learning Specialization Improving Deep Neural Networks: Hyperparameter tun
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error after implementing gradient_check_n in week 1 programming Gradient_cheching

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Hi, @rasgulla.c !

There is only one element in that array, so it’s not possible to convert one-element into an array that contains 20 (5x4) elements