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

> 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.WriteFailed

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.

Members

## Constructors

[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/-write-failed/)

constructor(cause: [Throwable](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-throwable/index.html))

## Properties

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

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

open override val [message](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-storage-error/-write-failed/message/): [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)?