# InitializationFailureReason

Represents the initialiation failure.

| **UNSUPPORTED\_OS\_VERSION**       | The SDK does not support the existing OS version.                                                                                                                                                                                                                      |
| ---------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **REINITIALIZATION\_NOT\_ALLOWED** | Reinitialization is not allowed while a Sentiance user exists, unless done across app restarts or after an SDK [reset](/important-topics/sdk/api-reference/android/sentiance.md#reset).                                                                                |
| **EXCEPTION\_OR\_ERROR**           | An exception or an error occurred during initialization. See [InitializationResult#getThrowable()](/important-topics/sdk/api-reference/android/initializationresult.md#getthrowable).                                                                                  |
| **SDK\_RESET\_IN\_PROGRESS**       | Cannot initialize the SDK while it's being reset. Wait for the the reset operation to complete first.                                                                                                                                                                  |
| **APP\_INSTABILITY\_DETECTED**     | <p>The SDK detected app instability, so initialization was aborted.</p><p>All subsequent initialization attempts are blocked until the application is restarted.</p><p>This safety mechanism helps prevent additional instability and reduces the risk of crashes.</p> |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.sentiance.com/important-topics/sdk/api-reference/android/initializationresult/initializationfailurereason.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.