Error_400 Trying to upload map

Summary

I’m going through all the steps for publishing, its my first map I’ve tried to upload, but every time I get the same submission for publishing failed message (upload screenshot of message).

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Publishing

Steps to Reproduce

Type out a your game details,
go through the rating proses,
add the thumbnail and video,
Don’t need to add attributions,
then set the visibility to public,
submit this and then map is uploaded

Expected Result

The expected results followed by the steps above would have allowed my creative map would pass submission and publish

Observed Result

I had thought if I followed the epic made rules when making a map, going through the steps above that my map we be uploaded, but instead I keep getting this error message every try.

Platform(s)

PC

Island Code

7550-2731-6061

Upload an image

Additional Notes

I’ve read on the internet similar situations of this error message popping up when people are trying to upload maps, but with no results of if they later were able to.