**List of steps to reproduce**:
* Go to English Wikipedia. Login. Enable ContentTranslation from Beta feature.
* Click on the Contributions menu.
* Click on "Translations", it will open the ContentTranslation dashboard.
* On the dashboard, click "New translation" or select an article to translate from suggestions to start the translation.
**What happens?**:
* It brings you back to the same page with the "Start translation" button.
**What should have happened instead?**:
* Once you click on the "Start translation" button, it will take you to the page where you start translating the article from one language to another.
**Note**: ContentTranslation is working fine if the dashboard is loaded directly instead of the "Contribution" menu.
One of the users has [[ https://www.mediawiki.org/wiki/Topic:Wvuo7kud1nzzk464 | reported a similar issue ]] with a screenshot and log. Although, there was no similar error seen in other cases.