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

- **ID:** `python/django-form-invalid-choice`
- **Domain:** python
- **Category:** data_error
- **Verification:** ai_generated
- **Fix Rate:** 80%

## Root Cause

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

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 3.x | active | — | — |

## 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

- **** — May not be a valid option; hardcoding invalid values. (80% fail)
- **** — Loses functionality; users cannot select valid options. (70% fail)