gistfile1.txt

Traceback (most recent call last):
  File "<console>", line 1, in <module>
  File "/home/lucas/Dev/Kogan/Support-Parts-Inventory/virtualenv/lib/python2.7/site-packages/django/db/models/base.py", line 546, in save
    force_update=force_update, update_fields=update_fields)
  File "/home/lucas/Dev/Kogan/Support-Parts-Inventory/virtualenv/lib/python2.7/site-packages/django/db/models/base.py", line 650, in save_base
    result = manager._insert([self], fields=fields, return_id=update_pk, using=using, raw=raw)
  File "/home/lucas/Dev/Kogan/Support-Parts-Inventory/virtualenv/lib/python2.7/site-packages/django/db/models/manager.py", line 215, in _insert
    return insert_query(self.model, objs, fields, **kwargs)
  File "/home/lucas/Dev/Kogan/Support-Parts-Inventory/virtualenv/lib/python2.7/site-packages/django/db/models/query.py", line 1661, in insert_query
    return query.get_compiler(using=using).execute_sql(return_id)
  File "/home/lucas/Dev/Kogan/Support-Parts-Inventory/virtualenv/lib/python2.7/site-packages/django/db/models/sql/compiler.py", line 937, in execute_sql
    cursor.execute(sql, params)
  File "/home/lucas/Dev/Kogan/Support-Parts-Inventory/virtualenv/lib/python2.7/site-packages/django/db/backends/util.py", line 41, in execute
    return self.cursor.execute(sql, params)
  File "/home/lucas/Dev/Kogan/Support-Parts-Inventory/virtualenv/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py", line 364, in execute
    six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2])
  File "/home/lucas/Dev/Kogan/Support-Parts-Inventory/virtualenv/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py", line 362, in execute
    return Database.Cursor.execute(self, query, params)
IntegrityError: barcodes_barcode.content_type_id may not be NULL