Incorrect size of the derivative of loss with respect to ''{0}'' for ''backward'' in Layer ''{1}''. Expected to be {2},

[matlab1]

{0}: learnable parameter name,
{1}: layer class,
{2}: expected size,
{3}: actual size


Incorrect size of the derivative of loss with respect to ''{0}'' for ''backward'' in Layer ''{1}''. Expected to be {2}, but instead was {3}.