Failed to create session

[ccslience]

when I run the examples(Fashion Minist) on my server, I got below , is there any solutions? Thanks Traceback (most recent call last): File "main.py", line 30, in sess = tf.Session(config = config) File "/home/ubuntu/.conda/envs/py36_tf110/lib/python3.6/site-packages/tensorflow/python/client/session.py", line 1494, in init super(Session, self).init(target, graph, config=config) File "/home/ubuntu/.conda/envs/py36_tf110/lib/python3.6/site-packages/tensorflow/python/client/session.py", line 626, in init self._session = tf_session.TF_NewSession(self._graph._c_graph, opts) tensorflow.python.framework.errors_impl.InternalError: Failed to create session.