Unexpected response from the server. The file may have been uploaded successfully. Check in the Media Library or reload the page. David Weng 5 years ago updated 5 years ago Answered Hi, I have tried to upload a file of 16mg audio file but I received the following message: Unexpected response from the server. The file may have been uploaded successfully. Check in the Media Library or reload the page.Can anyone help me? I have reloaded the page, but I still can't upload my file. Thanks.