What happened?

.An error is displayed when an admin user tries to upload an image while editing an article on the Joomla newsletter website. This is urgent for us as we are not able to create any new articles..

Because of this issue, the uploaded image cannot be selected or displayed as the article’s intro image.

Environment

Joomla Admin:
https://welcome.vdbapp.com/administrator/index.php

Example Article:
https://welcome.vdbapp.com/administrator/index.php?option=com_content&view=article&layout=edit&id=487

Steps to Reproduce
Log in to the Joomla administrator portal.
Open any existing article.
Navigate to the Images and Links or Intro Image section.
Open the media manager.
Click Upload and try to upload an image.
Observe the error message.

Reference

Screenshot/recording:
https://share.vdbapp.com/NQuPKAAK

Attachment

The screenshot shows the Joomla media manager displaying a generic “error” alert while uploading an image.

Expected result

Expected Behaviour

The admin user should be able to:

Upload a supported image successfully.
Select the uploaded image as the article’s intro image.
Save the article and see the image displayed correctly on the newsletter website.
Impact

Newsletter articles cannot be published or updated with the required intro images, affecting the presentation of newsletter content.

Actual result

A generic alert displaying “error” appears during the image upload process.

The image is not uploaded and cannot be displayed in the article.

System Information

https://welcome.vdbapp.com/administrator/index.php

Additional Comments

No response