Error: Unable to get the Glance service version.

When accessing images page, the following error raised:
error invoking apiclient
Traceback (most recent call last):
  File "/opt/stack/horizon/openstack_dashboard/api/rest/utils.py", line 131, in _wrapped
    return JSONResponse(data, json_encoder=json_encoder)
  File "/opt/stack/horizon/openstack_dashboard/api/rest/utils.py", line 67, in __init__
    cls=json_encoder)
  File "/usr/local/lib/python2.7/dist-packages/oslo_serialization/jsonutils.py", line 190, in dumps
    return json.dumps(obj, default=default, **kwargs)
  File "/usr/lib/python2.7/json/__init__.py", line 250, in dumps
    sort_keys=sort_keys, **kw).encode(obj)
  File "/usr/lib/python2.7/json/encoder.py", line 209, in encode
    chunks = list(chunks)
  File "/usr/lib/python2.7/json/encoder.py", line 434, in _iterencode
    for chunk in _iterencode_dict(o, _current_indent_level):
  File "/usr/lib/python2.7/json/encoder.py", line 408, in _iterencode_dict
    for chunk in chunks:
  File "/usr/lib/python2.7/json/encoder.py", line 443, in _iterencode
    for chunk in _iterencode(o, _current_indent_level):
  File "/usr/lib/python2.7/json/encoder.py", line 440, in _iterencode
    raise ValueError("Circular reference detected")
ValueError: Circular reference detected