Expense - Error shows up when changing distance rate on unreported distance expense

[nlemma]

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Version Number: 9.2.20-0
Reproducible in staging?: Yes
Reproducible in production?: N/A - new feature, doesn't exist in prod
If this was caught during regression testing, add the test name, ID and link from TestRail: #71319
Email or phone of affected tester (no customers): jsdoijsdojsdiojis@gmail.com
Issue reported by: Applause Internal Team
Device used: Mac 15.5 / Chrome
App Component: Money Requests

Action Performed:

Precondition:

• Account has self DM and a workspace.

1. Go to staging.new.expensify.com
2. Go to self DM.
3. Click + > Track distance > Map.
4. Create an unrerported distance expense.
5. Open the transaction thread.
6. Click Rate.
7. Select a rate.

Expected Result:

The new rate will be saved without issue.

Actual Result:

Error shows up when changing distance rate on unreported distance expense.

Workaround:

Unknown

Platforms:

• Android: App
• Android: mWeb Chrome
• iOS: App
• iOS: mWeb Safari
• iOS: mWeb Chrome
• Windows: Chrome
• MacOS: Chrome / Safari
• MacOS: Desktop

Screenshots/Videos

Bug6959747_1759178363385.Screen_Recording_2025-09-30_at_04.37.20.mp4

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[melvin-bot]

Triggered auto assignment to @OfstadC (Bug), see https://stackoverflow.com/c/expensify/questions/14418 for more details. Please add this bug to a GH project, as outlined in the SO.

[melvin-bot]

Triggered auto assignment to @arosiclair (DeployBlockerCash), see https://stackoverflowteams.com/c/expensify/questions/9980/ for more details.

[github-actions]

👋 Friendly reminder that deploy blockers are time-sensitive ⏱ issues! Check out the open `StagingDeployCash` deploy checklist to see the list of PRs included in this release, then work quickly to do one of the following:

1. Identify the pull request that introduced this issue and revert it.
2. Find someone who can quickly fix the issue.
3. Fix the issue yourself.

[melvin-bot]

💬 A slack conversation has been started in #expensify-open-source

[cristipaval]

taking over, this is related to my PR