id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
22047	Cannot resolve keyword u'group_ptr' into field. Choices are: group, id, name, permissions, user	Chris Chan	Konrad Świat	"I recently tried to upgrade from 1.5.1 to 1.6.2 and am now getting this error for inherited many to many relationships.

Traceback (most recent call last):
  File ""<stdin>"", line 1, in <module>
  File ""/opt/bg/common/lib/python2.7/site-packages/django/db/models/manager.py"", line 133, in all
    return self.get_queryset()
  File ""/opt/bg/common/lib/python2.7/site-packages/django/db/models/fields/related.py"", line 549, in get_queryset
    return super(ManyRelatedManager, self).get_queryset().using(db)._next_is_sticky().filter(**self.core_filters)
  File ""/opt/bg/common/lib/python2.7/site-packages/django/db/models/query.py"", line 590, in filter
    return self._filter_or_exclude(False, *args, **kwargs)
  File ""/opt/bg/common/lib/python2.7/site-packages/django/db/models/query.py"", line 608, in _filter_or_exclude
    clone.query.add_q(Q(*args, **kwargs))
  File ""/opt/bg/common/lib/python2.7/site-packages/django/db/models/sql/query.py"", line 1198, in add_q
    clause = self._add_q(where_part, used_aliases)
  File ""/opt/bg/common/lib/python2.7/site-packages/django/db/models/sql/query.py"", line 1234, in _add_q
    current_negated=current_negated)
  File ""/opt/bg/common/lib/python2.7/site-packages/django/db/models/sql/query.py"", line 1100, in build_filter
    allow_explicit_fk=True)
  File ""/opt/bg/common/lib/python2.7/site-packages/django/db/models/sql/query.py"", line 1357, in setup_joins
    names, opts, allow_many, allow_explicit_fk)
  File ""/opt/bg/common/lib/python2.7/site-packages/django/db/models/sql/query.py"", line 1277, in names_to_path
    ""Choices are: %s"" % (name, "", "".join(available)))
django.core.exceptions.FieldError: Cannot resolve keyword u'group_ptr' into field. Choices are: group, id, name, permissions, user
"	Bug	closed	Database layer (models, ORM)	1.6	Normal	fixed			Ready for checkin	1	0	0	0	0	0