tensorflow.python.framework.errors_impl.ResourceExhaustedError: <exception str() failed>

[cuimiao187561]

hello duxinggten
When I use training command:python main.py --phase train --dataset_name sketch-photo --image_size 256 --epoch 45 --lambda_A 20.0 --lambda_B 20.0 --A_channels 1 --B_channels 1
I get error:
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/client/session.py", line 895, in run
run_metadata_ptr)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/client/session.py", line 1124, in _run
feed_dict_tensor, options, run_metadata)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/client/session.py", line 1321, in _do_run
options, run_metadata)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/client/session.py", line 1340, in _do_call
raise type(e)(node_def, op, message)
tensorflow.python.framework.errors_impl.ResourceExhaustedError: <exception str() failed>