If you encounter an error like the image above, hopefully this article will be a solution.

Cause: the uploaded file size exceeds the predetermined configuration.

Solution: change the upload file size.

Here are the steps :

  1. Login to Plesk Panel.
  2. Select Domain and click on the domain that is experiencing problems, then click PHP Settings.

  1. At upload_max_filesize, change the upload size from the default 2M to the desired upload size, then click OK.

Please try and good luck, thank you.