---
title: "TYPO3 Exception 1204026251"
manual: "TYPO3 Exceptions"
version: "main"
permalink: "https://docs.typo3.org/permalink/t3exceptions:typo3-exception-1204026251"
source: "Exceptions/1204026251.rst"
modified: "2026-09-16T07:39:08+00:00"
---

# TYPO3 Exception 1204026251

> [!NOTE]
> Below, the TYPO3 community may have provided additional information or
> solutions for this exception. However, these may or may not apply to your
> particular case. If you can provide more information, you should come back
> here and add your experience and solution steps to this issue once you have
> resolved it.
>
> General TYPO3 troubleshooting tips can be found in the *Troubleshooting*
> section in the menu. You can also ask questions and receive support in the
> [TYPO3 Questions category on talk.typo3.org](https://talk.typo3.org/c/typo3-questions/).
>
> To add your experience, click "Edit on GitHub" above and follow the
> ["Edit on GitHub" workflow](https://docs.typo3.org/m/typo3/docs-how-to-document/main/en-us/Howto/EditOnGithub.html#docs-contribute-github-method).
> Also check out
> [our tip on Coding Style and reST](https://docs.typo3.org/permalink/t3exceptions:tip-about-rest-coding-style).

You probably ran into a race condition which is described in
[https://forge.typo3.org/issues/46205](https://forge.typo3.org/issues/46205) and has been fixed in 6.0.5.
Try to update to a newer TYPO3 version and clear your `/typo3temp/cache/` folder.

Taken from
[http://stackoverflow.com/questions/16708012/cache-file-could-not-be-written-typo3-6-0-4](http://stackoverflow.com/questions/16708012/cache-file-could-not-be-written-typo3-6-0-4)

---

Additionally, this error might occur if you are **over quota** and or
the **disk is full**.