error aplicacion

[sotosilva74]

Estoy trabajando en JetBrain y al crear solamente el proyeto me aparece este error

"C:\Program Files\JetBrains\PyCharm 3.0\bin\runnerw.exe" C:\Python27\python.exe C:/Users/Hiovanis/PycharmProjects/SistemaAudivisual/manage.py runserver 8000
Traceback (most recent call last):
File "C:/Users/Hiovanis/PycharmProjects/SistemaAudivisual/manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "C:\Python27\Lib\site-packages\Django-1.8.3-py2.7.egg\django\core\management\__init__.py", line 338, in execute_from_command_line
utility.execute()
File "C:\Python27\Lib\site-packages\Django-1.8.3-py2.7.egg\django\core\management\__init__.py", line 312, in execute
django.setup()
File "C:\Python27\Lib\site-packages\Django-1.8.3-py2.7.egg\django\__init__.py", line 18, in setup
apps.populate(settings.INSTALLED_APPS)
File "C:\Python27\Lib\site-packages\Django-1.8.3-py2.7.egg\django\apps\registry.py", line 89, in populate
"duplicates: %s" % app_config.label)
django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: admin

Process finished with exit code 1