# ACTIVATION_NOT_AVAILABLE

- Surface: API
- HTTP status: 409

## Remediation

Retry after a short delay; if it keeps failing, review the Activation and Experiment Run setup

## Cause

The Metric Event cannot activate a matching Experiment Run in its current state.

## Fix

Retry the Metric Event after a short delay. If it keeps failing, review the Activation and Experiment Run setup and assignment state.

## Related

- [EVENT_DEFINITION_UNPUBLISHED](https://splitch.dev/docs/error/EVENT_DEFINITION_UNPUBLISHED)
- [ENTITY_TYPE_MISMATCH](https://splitch.dev/docs/error/ENTITY_TYPE_MISMATCH)
- [SERVICE_UNAVAILABLE](https://splitch.dev/docs/error/SERVICE_UNAVAILABLE)

Source: https://splitch.dev/docs/error/ACTIVATION_NOT_AVAILABLE