Django.db.migrations.exceptions.NodeNotFoundError在命令提示符下运行服务器时出错

Question

我在运行服务器时出现此错误。之前我更改了代码目录名，所以之前我也遇到了运行问题。但是，在settings.py、manage.py和其他可能使用旧名称的文件中更改名称后，它将得到修复。我还再次安装了Django、pillow和psycopg2，因为它在命令提示符下运行服务器时告诉我了。现在，我面临这个问题。上面说

Watching for file changes with StatReloader
Performing system checks...

System check identified no issues (0 silenced).
Exception in thread django-main-thread:
Traceback (most recent call last):
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1776.0_x64__qbz5n2kfra8p0\lib\threading.py", line 932, in _bootstrap_inner
    self.run()
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1776.0_x64__qbz5n2kfra8p0\lib\threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Users\karen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\django\utils\autoreload.py", line 53, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\karen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\django\core\management\commands\runserver.py", line 121, in inner_run
    self.check_migrations()
  File "C:\Users\karen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\django\core\management\base.py", line 459, in check_migrations
    executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
  File "C:\Users\karen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\django\db\migrations\executor.py", line 18, in __init__
    self.loader = MigrationLoader(self.connection)
  File "C:\Users\karen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\django\db\migrations\loader.py", line 53, in __init__
    self.build_graph()
  File "C:\Users\karen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\django\db\migrations\loader.py", line 255, in build_graph
    self.graph.validate_consistency()
  File "C:\Users\karen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\django\db\migrations\graph.py", line 195, in validate_consistency
    [n.raise_error() for n in self.node_map.values() if isinstance(n, DummyNode)]
  File "C:\Users\karen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\django\db\migrations\graph.py", line 195, in <listcomp>
    [n.raise_error() for n in self.node_map.values() if isinstance(n, DummyNode)]
  File "C:\Users\karen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\django\db\migrations\graph.py", line 58, in raise_error
    raise NodeNotFoundError(self.error_message, self.key, origin=self.origin)
django.db.migrations.exceptions.NodeNotFoundError: Migration account.0011_auto_20201117_0027 dependencies reference nonexistent parent node ('auth', '0013_proxyuser')

有人能帮我找出问题出在哪里吗？我还是一个初学者，我真的希望我能找到解决这个错误的方法。先谢谢你

Answer 1

此问题是由不正确的迁移引起的。我建议您删除迁移文件，然后重试