Help needed: I can't download my finished project as it keeps saying 'File upload in progress'

Hello,

I've been trying to download a project in Adobe Express (paid for version) but I keep getting the following error message that I have a file uploading:

It's been saying this for over 24 hours. I can't locate the file that may be uploading. I've tried different browsers, clearing my cache, and trying on the iphone app but nothing has worked.

I really need to download my project so any help would be much appreciated. Thanks.