Internal server error, Timeout (30000ms)

Summary

When I try to publish my project on the Creator Portal, I get the following error popup:

Internal server error, Timeout(30000ms) SentryEventId=45e473bcf47c449b85e530b7c1f2d4ff
errors.com.epicgames.creator-portal-api.unknown_http_500

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Publishing

Steps to Reproduce

You can try to publish any private version on my account and the error will occur.

Expected Result

The island should be awaiting approval.

Observed Result

Internal server error, Timeout(30000ms) SentryEventId=45e473bcf47c449b85e530b7c1f2d4ff
errors.com.epicgames.creator-portal-api.unknown_http_500

Platform(s)

PC/Windows

Island Code

1489-9952-7910

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Additional Notes

The only way to make my map publishable is to remove majority of the referenced content from FAB Marketplace until the map has a download size of 100mb or less. I would to point out that as well as spending months on producing this map i have also spent money on items from FAB Marketplace only to no be able to use them.

Closing as a duplicate of Internal server error, Timeout (30000ms)