Server error when submitting a Shopify theme (26MB) via the submission page

Technical Q&A
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1

Hello everyone!
I’m trying to submit my custom theme called Hera via the official submission page:

:link: https://themes.shopify.com/services/v2/themes/submission/new

However, every time I upload the .zip file (only 26MB), I get the error:

413 Request Entity Too Large

The .zip file is structured correctly, with no subfolders inside — just the expected files like config/settings_schema.json, sections, templates, assets, etc.

:file_folder: Repository with the complete code:

:link: https://github.com/Aryel15/hera-theme

I’ve already reviewed:

  • The theme follows Shopify’s structure recommendations
  • The JSON in settings_schema.json is valid
  • The theme is zipped correctly from the root (without an extra folder inside the .zip)
  • The file does not exceed the 50MB limit

The error is not a temporary platform issue as it has been happening for days, is there some hidden limitation? How can I contact the Shopify team? Or perhaps an alternative submission method?

I would be very grateful for any guidance from the Shopify team or partners who have already experienced this.

Thanks in advance! :folded_hands:

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2

Hi @realtimethemes :waving_hand: :rescue_worker_s_helmet: Make sure the actual size is under the limit, not the “on disk” size that may be further compressed.

Make sure the zip isn’t malformed with zip archive testing tools.

The repo 404’s so no way to try and replicate the issue.

Did you resolve this? if so share how with the community.

FYI: you can mark your own replies as a solution.