Internal Error converting model to IR

[Singh__Aditya]

Hi,

I am trying to convert a network(paper, model).

The command: mo_tf.py --input_model /networks/mars-small128.pb --input_shape=[1,128,64,3] --reverse_input_channels --output_dir /tmp/openvino/mars --log_level DEBUG

Output:

[ ERROR ]  -------------------------------------------------
[ ERROR ]  ----------------- INTERNAL ERROR ----------------
[ ERROR ]  Unexpected exception happened.
[ ERROR ]  Please contact Model Optimizer developers and forward the following information:
[ ERROR ]  Exception occurred during running replacer "REPLACEMENT_ID (<class 'extensions.middle.TensorIteratorMerge.TensorIteratorMerge'>)": 0
[ ERROR ]  Traceback (most recent call last):
  File "/opt/intel/openvino_2019.1.144/deployment_tools/model_optimizer/mo/utils/class_registration.py", line 167, in apply_replacements
    replacer.find_and_replace_pattern(graph)
  File "/opt/intel/openvino_2019.1.144/deployment_tools/model_optimizer/mo/utils/replacement_pattern.py", line 29, in find_and_replace_pattern
    apply_pattern(graph, **self.pattern(), action=self.replace_pattern)  # pylint: disable=no-member
  File "/opt/intel/openvino_2019.1.144/deployment_tools/model_optimizer/mo/middle/pattern_match.py", line 95, in apply_pattern
    action(graph, match)
  File "/opt/intel/openvino_2019.1.144/deployment_tools/model_optimizer/extensions/middle/TensorIteratorMerge.py", line 113, in replace_pattern
    cond_data = match['condition'].out_node(0)
  File "/opt/intel/openvino_2019.1.144/deployment_tools/model_optimizer/mo/graph/graph.py", line 171, in out_node
    return self.out_nodes(control_flow=control_flow)[key]
KeyError: 0

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/opt/intel/openvino_2019.1.144/deployment_tools/model_optimizer/mo/main.py", line 312, in main
    return driver(argv)
  File "/opt/intel/openvino_2019.1.144/deployment_tools/model_optimizer/mo/main.py", line 263, in driver
    is_binary=not argv.input_model_is_text)
  File "/opt/intel/openvino_2019.1.144/deployment_tools/model_optimizer/mo/pipeline/tf.py", line 128, in tf2nx
    class_registration.apply_replacements(graph, class_registration.ClassType.MIDDLE_REPLACER)
  File "/opt/intel/openvino_2019.1.144/deployment_tools/model_optimizer/mo/utils/class_registration.py", line 190, in apply_replacements
    )) from err
Exception: Exception occurred during running replacer "REPLACEMENT_ID (<class 'extensions.middle.TensorIteratorMerge.TensorIteratorMerge'>)": 0

[ ERROR ]  ---------------- END OF BUG REPORT --------------
[ ERROR ]  -------------------------------------------------