ValueError: Dimension 3 in both shapes must be equal

[ghailey]

Traceback (most recent call last):
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/framework/ops.py", line 1628, in _create_c_op
c_op = c_api.TF_FinishOperation(op_desc)
tensorflow.python.framework.errors_impl.InvalidArgumentError: Dimension 3 in both shapes must be equal, but are 12 and 3. Shapes are [?,8,8,12] and [?,8,8,3].
From merging shape 0 with other shapes. for 'generator/scale_1/calculation/concat/concat_dim' (op: 'Pack') with input shapes: [?,8,8,12], [?,8,8,3].

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "avg_runner.py", line 187, in
main()
File "avg_runner.py", line 179, in main
runner = AVGRunner(num_steps, load_path, num_test_rec)
File "avg_runner.py", line 50, in init
c.SCALE_KERNEL_SIZES_G)
File "/home/guohaoyu/vedio_generation/Adversarial_Video_Generation/Code/g_model.py", line 48, in init
self.define_graph()
File "/home/guohaoyu/vedio_generation/Adversarial_Video_Generation/Code/g_model.py", line 159, in define_graph
last_scale_pred_train)
File "/home/guohaoyu/vedio_generation/Adversarial_Video_Generation/Code/g_model.py", line 123, in calculate
inputs = tf.concat(3, [inputs, last_gen_frames])
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/ops/array_ops.py", line 1121, in concat
dtype=dtypes.int32).get_shape().assert_is_compatible_with(
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/framework/ops.py", line 1050, in convert_to_tensor
as_ref=False)
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/framework/ops.py", line 1146, in internal_convert_to_tensor
ret = conversion_func(value, dtype=dtype, name=name, as_ref=as_ref)
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/ops/array_ops.py", line 971, in _autopacking_conversion_function
return _autopacking_helper(v, dtype, name or "packed")
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/ops/array_ops.py", line 923, in _autopacking_helper
return gen_array_ops.pack(elems_as_tensors, name=scope)
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/ops/gen_array_ops.py", line 4875, in pack
"Pack", values=values, axis=axis, name=name)
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/framework/op_def_library.py", line 787, in _apply_op_helper
op_def=op_def)
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/util/deprecation.py", line 488, in new_func
return func(*args, **kwargs)
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/framework/ops.py", line 3274, in create_op
op_def=op_def)
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/framework/ops.py", line 1792, in init
control_input_ops)
File "/home/guohaoyu/.conda/envs/tensorflow/lib/python3.6/site-packages/tensorflow/python/framework/ops.py", line 1631, in _create_c_op
raise ValueError(str(e))
ValueError: Dimension 3 in both shapes must be equal, but are 12 and 3. Shapes are [?,8,8,12] and [?,8,8,3].
From merging shape 0 with other shapes. for 'generator/scale_1/calculation/concat/concat_dim' (op: 'Pack') with input shapes: [?,8,8,12], [?,8,8,3].

[kittyvarghese]

@ghailey What is the cuda version you are using for running this code. I tried running in Cuda 9 , TF 1.12 and Ubuntu 16.04. It resulted in the same error which you have encountered. Kindly help us if you have solved this issue.