Attempting to save instance with null ID?

I'm migrating from SQLite to Oracle, and I'm getting an error thrown on the line disn_requisition.save() claiming that it has a null ID. I have not attempted to manually set or fiddle with id fields on any model, although I do read them.

Any insight on what I need to do to address this?

IntegrityError at /upload/storage

ORA-01400: cannot insert NULL into ("INVDB"."INVDB_DISK_REQUISITION"."ID") 

Request Method:	POST
Request URL:	http://cmlnxbld01:8000/upload/storage
Django Version:	1.2.3
Exception Type:	IntegrityError
Exception Value:	ORA-01400: cannot insert NULL into ("INVDB"."INVDB_DISK_REQUISITION"."ID")
Exception Location:	/tools/python/2.7/Linux_x86_64/lib/python2.7/site-packages/django/db/backends/oracle/base.py in execute, line 507
Python Executable:	/tools/python/2.7/Linux_x86_64/bin/python
Python Version:	2.7.0
Python Path:	['/home/jhayward/invdb', '/tools/python/2.7/Linux_x86_64/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg', '/tools/python/2.7/Linux_x86_64/lib/python2.7/site-packages/django_filter-0.5.3-py2.7.egg', '/tools/python/2.7/Linux_x86_64/lib/python2.7/site-packages/ez_setup-0.9-py2.7.egg', '/tools/python/2.7/Linux_x86_64/lib/python2.7/site-packages/distribute-0.6.14-py2.7.egg', '/tools/python/2.7/Linux_x86_64/lib/python2.7/site-packages/hgsvn-0.1.8-py2.7.egg', '/tools/python/2.7/Linux_x86_64/lib/python2.7/site-packages/paramiko-1.7.6-py2.7.egg', '/tools/python/2.7/Linux_x86_64/lib/python2.7/site-packages/pycrypto-2.3-py2.7-linux-x86_64.egg', '/tools/python/cx_Oracle/10g/2.6/Linux_x86_64/lib/python2.6/site-packages', '/home/jhayward', '/home/jhayward/invdb/HOME_DIRECTORY', '/home/jhayward/invdb/HOME_DIRECTORY/invdb', '/tools/python/2.7/Linux_x86_64/lib/python27.zip', '/tools/python/2.7/Linux_x86_64/lib/python2.7', '/tools/python/2.7/Linux_x86_64/lib/python2.7/plat-linux2', '/tools/python/2.7/Linux_x86_64/lib/python2.7/lib-tk', '/tools/python/2.7/Linux_x86_64/lib/python2.7/lib-old', '/tools/python/2.7/Linux_x86_64/lib/python2.7/lib-dynload', '/tools/python/2.7/Linux_x86_64/lib/python2.7/site-packages', '/tools/python/2.7/Linux_x86_64/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg-info']
Server time:	Thu, 30 Dec 2010 10:04:24 -0600

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Christos Jonathan Hayward, an Orthodox Christian author. Author Bio • Books • Email • Facebook • LinkedIn • Twitter • Web • What's New? I invite you to visit my "theology, literature, and other creative works" site.

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