iOS Deploy fails with HTTP 503 on submitCodemagicBuild

[duthildominique-source]

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• I give permission for members of the FlutterFlow team to access and test my project for the sole purpose of investigating this issue.

Current Behavior

Since July 3, I am unable to deploy my iOS application from FlutterFlow.

Every deployment attempt fails with "Service Unavailable" or "Unknown Codemagic build error".

No new build appears in Deployment History. The last successful build was on July 3.

I tested:

• Refreshing the analyzer/dependencies successfully (green status)
• Private browsing
• Another browser
• Duplicating the FlutterFlow project
• Download Code, which completes successfully

The duplicated project has the same deployment issue.

Chrome DevTools shows the following error when I attempt to deploy:

Failed to load resource: the server responded with a status of 503 on submitCodemagicBuild.

Project ID: hypno-heal-qpdhm6

Expected Behavior

When I click Deploy to App Store, FlutterFlow should successfully submit the build to Codemagic and create a new entry in Deployment History.

The deployment process should start normally instead of returning an HTTP 503 Service Unavailable error.

Steps to Reproduce

1. Open the FlutterFlow project hypno-heal-qpdhm6.
2. Go to App Settings > Mobile Deployment.
3. Click Deploy to App Store.
4. The deployment request fails with "Service Unavailable" / "Unknown Codemagic build error".
5. No new build appears in Deployment History.
6. Open Chrome DevTools Console and repeat the deployment attempt.
7. The request submitCodemagicBuild fails with HTTP status 503.

Reproducible from Blank

• The steps to reproduce above start from a blank project.

Bug Report Code (Required)

IT4gkM7qy4pOj7xf7qr+au9aiicvNmI7R700t9obbxAjIoDoPJkUac6kSEpWZ9+kTHxfMVu0iWoW0s7NhvHPA/k6HyiabbpgypYIWA2UcH+XRbGbFJWgOUcmEfhjfVSA1sOroR17JfhZSF1k3GeMf9iiVgXcHpDxCkdFD6/LZO4=

Visual documentation

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Environment

- FlutterFlow version: 
- Platform:
- Browser name and version:
- Operating system and version affected:

Additional Information

No response