Exception encountered when calling layer 'encoder0_Conv0' (type Conv2D).

[xiaona123456]

when running
def model_loss(self, ds_frame, training=False):
outs = self.model(ds_frame['image'], training=training)
occurred
Exception encountered when calling layer 'encoder0_Conv0' (type Conv2D).

{{function_node _wrapped__Conv2D_device/job:localhost/replica:0/task:0/device:GPU:0}} DNN library is not found. [Op:Conv2D]

Call arguments received by layer 'encoder0_Conv0' (type Conv2D):
• inputs=tf.Tensor(shape=(1, 512, 512, 3), dtype=float32)
what is the reasons？