python data_error ai_generated true

django.core.exceptions.ValidationError: ['Select a valid choice. 5 is not one of the available choices.']

ID: python/django-form-invalid-choice

Also available as: JSON · Markdown · 中文
80%Fix Rate
86%Confidence
0Evidence
2024-02-14First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3.x active — — —

Root Cause

Form field with choices receives a value not in the choices list.

generic

中文

带有choices的表单字段接收到不在choices列表中的值。

Workarounds

  1. 95% success 
    Ensure the submitted value is in the choices: if value in dict(choices): ...
  2. 90% success 
    Use a ModelChoiceField for dynamic choices.

Dead Ends

Common approaches that don't work:

  1. 80% fail

    May not be a valid option; hardcoding invalid values.

  2. 70% fail

    Loses functionality; users cannot select valid options.