Error in user YAML: (<unknown>): found character that cannot start any token while scanning for the next token at line 5 column 16

---
title: Fix upload in mail templates
issue: NEXT-24122
author: Lars Kemper
author_email: l.kemper@shopware.com
author_github: @LarsKemper
---

Administration

Changed method checkFileType in src/Administration/Resources/app/administration/src/app/component/media/sw-media-upload-v2/sw-media-upload-v2.html.twig to fix the upload in mail templates