mnistSaveLoad is not working..

[sangwonrr]

use unreal version : 4.21.2

sample mnistSaveLoad does not work.
When I run the sample, the following error occurs.

Please help me.

---

sample BeginPlay error

BeginPlay, importing TF module: mnistSaveLoad
Variable W already exists, disallowed. Did you mean to set reuse=True or reuse=tf.AUTO_REUSE in VarScope? Originally defined at:
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\framework\ops.py", line 1717, in init
self._traceback = tf_stack.extract_stack()
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\framework\ops.py", line 3155, in create_op
op_def=op_def)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\util\deprecation.py", line 454, in new_func
return func(*args, **kwargs)
Traceback (most recent call last):
File "D:\Unreal\tensorflow-ue4-examples-master\Content\Scripts\mnistSaveLoad.py", line 32, in onSetup
saver = tf.train.import_meta_graph(self.model_path + ".meta")
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\training\saver.py", line 1931, in import_meta_graph
meta_graph_def = meta_graph.read_meta_graph_file(meta_graph_or_file)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\framework\meta_graph.py", line 633, in read_meta_graph_file
raise IOError("File %s does not exist." % filename)
OSError: File ../../../../../../Unreal/tensorflow-ue4-examples-master/Content/Scripts/model/mnistSimple/model.ckpt.meta does not exist.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\tensorflow-ue4\Content\Scripts\TensorFlowComponent.py", line 36, in begin_play
self.setup()
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\tensorflow-ue4\Content\Scripts\TensorFlowComponent.py", line 56, in setup
self.setup_blocking()
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\tensorflow-ue4\Content\Scripts\TensorFlowComponent.py", line 130, in setup_blocking
self.tfapi.onSetup()
File "D:\Unreal\tensorflow-ue4-examples-master\Content\Scripts\mnistSaveLoad.py", line 45, in onSetup
W = tf.get_variable('W', [784, 10], initializer=tf.zeros_initializer)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\ops\variable_scope.py", line 1467, in get_variable
aggregation=aggregation)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\ops\variable_scope.py", line 1217, in get_variable
aggregation=aggregation)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\ops\variable_scope.py", line 527, in get_variable
aggregation=aggregation)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\ops\variable_scope.py", line 481, in _true_getter
aggregation=aggregation)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\ops\variable_scope.py", line 848, in _get_single_variable
name, "".join(traceback.format_list(tb))))
ValueError: Variable W already exists, disallowed. Did you mean to set reuse=True or reuse=tf.AUTO_REUSE in VarScope? Originally defined at:
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\framework\ops.py", line 1717, in init
self._traceback = tf_stack.extract_stack()
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\framework\ops.py", line 3155, in create_op
op_def=op_def)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\util\deprecation.py", line 454, in new_func
return func(*args, **kwargs)

---

sample load error

At least two variables have the same name: Adam/beta_1
Traceback (most recent call last):
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\tensorflow-ue4\Content\Scripts\TensorFlowComponent.py", line 36, in begin_play
self.setup()
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\tensorflow-ue4\Content\Scripts\TensorFlowComponent.py", line 56, in setup
self.setup_blocking()
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\tensorflow-ue4\Content\Scripts\TensorFlowComponent.py", line 130, in setup_blocking
self.tfapi.onSetup()
File "D:\Unreal\tensorflow-ue4-examples-master\Content\Scripts\mnistSaveLoad.py", line 50, in onSetup
self.saver = tf.train.Saver()
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\training\saver.py", line 1281, in init
self.build()
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\training\saver.py", line 1293, in build
self._build(self._filename, build_save=True, build_restore=True)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\training\saver.py", line 1330, in _build
build_save=build_save, build_restore=build_restore)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\training\saver.py", line 756, in _build_internal
saveables = self._ValidateAndSliceInputs(names_to_saveables)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\training\saver.py", line 656, in _ValidateAndSliceInputs
names_to_saveables = BaseSaverBuilder.OpListToDict(names_to_saveables)
File "D:\Unreal\tensorflow-ue4-examples-master\Plugins\UnrealEnginePython\Binaries\Win64\Lib\site-packages\tensorflow\python\training\saver.py", line 563, in OpListToDict
name)
ValueError: At least two variables have the same name: Adam/beta_1