Error when returning to the migration DIY flow

[renatho]

Quick summary

This error was originally reported in p7DVsv-lGw-p2#comment-51714 by @cuemarie.

When we choose the DIY flow and continue later, sometimes it gives an error "Getting the migration key". I didn't find the exact reason, but I recorded a video with the error coming from the API.

Screen.Recording.2024-11-18.at.15.49.29.mov

Steps to reproduce

1. Start a migration choosing the "I'll do it myself" option in the "How do you want to migrate?" step. This can be done following the steps:
   1.1. Navigate to /start.
   1.2. Choose "Import existing content or website" in the goals step.
   1.3. Navigate through the flow, selecting to migrate from a WordPress site, and the "I'll do it myself" option.
2. When you are in the migration instructions screen, close the window.
3. Navigate to /sites.
4. Click on the site with the pending migration.
5. Click on "Start your migration".
6. I didn't identify the best way to reproduce it, but as you can see in the video I sent, it worked the first time it was loaded, but it was broken after the refresh with the error 403 - "Sorry, you are not allowed to do that" coming from the API.

What you expected to happen

Return the key properly.

What actually happened

An error happened while fetching it from the API.

Impact

Some (< 50%)

Available workarounds?

No and the platform is unusable

If the above answer is "Yes...", outline the workaround.

No response

Platform (Simple and/or Atomic)

No response

Logs or notes

No response

[github-actions]

OpenAI suggested the following labels for this issue:

• [Feature Group] Site Migration: The issue directly relates to errors encountered during the site migration process using the DIY flow.
• [Feature] Site Migration: This specific label pertains to the functionality and features surrounding the site migration process, which is central to the reported issue.
• [Feature] Notifications: The error could potentially involve notifications that inform users about migration statuses, especially considering the described API error.

[github-actions]

Support References

This comment is automatically generated. Please do not edit it.

• p7DVsv-lGw-p2#comment-51714

[sixhours]

Added this to Serenity's board.

[sixhours]

Reducing this to High priority since, out of the entire WP.com user base, it's going to apply to a relatively small number of people.

[sixhours]

(I was also able to reproduce this.)