Django How to make entries into ContentType for new app

Django How to make entries into ContentType for new app
 
How to fix following errors
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a) 
DoesNotExist: ContentType matching query does not exist. Lookup parameters were {'model': 'years', 'app_label': 'setting'}

b)
DoesNotExist: Permission matching query does not exist. Lookup parameters were {'codename': 'add_years', 'content_type': }

Solution
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1)
Goto "settings.py" and keep only following lines in "INSTALLED_APPS".
INSTALLED_APPS = ['django.contrib.auth',
'django.contrib.contenttypes',
'iekb.mynewapp']

2)
Run syncdb
#python manage.py syncdb