python data_error ai_generated partial

django.db.migrations.exceptions.NodeNotFoundError: Migration myapp.0002_auto dependencies reference nonexistent parent node ('otherapp', '0001_initial')

ID: python/django-migration-dependency-error

Also available as: JSON · Markdown · 中文
80%Fix Rate
83%Confidence
0Evidence
2024-08-15First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3.x active — — —

Root Cause

A migration depends on another migration that does not exist, possibly due to missing app or deleted migration.

generic

中文

一个迁移依赖于另一个不存在的迁移，可能由于缺少应用或删除了迁移。

Workarounds

  1. 90% success Ensure all dependent apps have migrations 
    Run python manage.py makemigrations otherapp
  2. 85% success Manually fix migration dependencies 
    Edit the migration file to remove or correct the dependency.

Dead Ends

Common approaches that don't work:

  1. Deleting the dependent migration 80% fail

    May break migration chain.

  2. Ignoring the error 90% fail

    Migrations cannot run.