ValueError: Variable arc_face/w does not exist, or was not created with tf.get_variable(). Did you mean to set reuse=tf.AUTO_REUSE in VarScope?

[tpcmi]

Hello!
I am trying to use arcface loss with mobilenet_v3,but I got above question,can u help me to fix this out?Thank u!

 def build(self, input_shape):
        super(ArcFace, self).build(input_shape[0])
        self.W = self.add_weight(name='W',
                                shape=(input_shape[0][-1], self.n_classes),
                                initializer='glorot_uniform',
                                trainable=True,
                                regularizer=self.regularizer)