---
title: "MTOfflineStorageError | Mobile sdk | Mobile sdk android | Android"
description: "MTOfflineStorageError"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# MTOfflineStorageError

sealed class [MTOfflineStorageError](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-storage-error/) : [Exception](https://developer.android.com/reference/kotlin/java/lang/Exception.html)

Errors that can occur during offline storage operations.

#### Inheritors

[WriteFailed](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-storage-error/-write-failed/)

[ReadFailed](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-storage-error/-read-failed/)

Members

## Types

[ReadFailed](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-storage-error/-read-failed/)

data class [ReadFailed](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-storage-error/-read-failed/)(val cause: [Throwable](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-throwable/index.html)) : [MTOfflineStorageError](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-storage-error/)

Failed to read from the file system.

[WriteFailed](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-storage-error/-write-failed/)

data class [WriteFailed](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-storage-error/-write-failed/)(val cause: [Throwable](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-throwable/index.html)) : [MTOfflineStorageError](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-storage-error/)

Failed to write to the file system.

## Properties

[cause](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-error/-invalid-pack/#-654012527%2FProperties%2F1466267346)

open val [cause](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-error/-invalid-pack/#-654012527%2FProperties%2F1466267346): [Throwable](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-throwable/index.html)?

[message](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-error/#1824300659%2FProperties%2F1466267346)

open val [message](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-error/#1824300659%2FProperties%2F1466267346): [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)?