[Sentry] PPOM - TypeError: null is not an object (evaluating 'e().postMessage')

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#8,570 opened on Feb 13, 2024 0 comments 0 reactions 0 assignees View on GitHub

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Bugs---Low-Priority external-contributor INVALID-ISSUE-TEMPLATE team-confirmations team-confirmations-secure-ux-deprecated

Dominant language: TypeScript
Stars: 3k
Forks: 1.7k
Avg merge: 1d 14h
Merged PRs (30d): 669

Description

Sentry Issue: [METAMASK-MOBILE-287B](https://metamask.sentry.io/issues/4932929022/?referrer=github_integration)

```
TypeError: null is not an object (evaluating 'e().postMessage')
at PPOMInner#free (app/lib/ppom/PPOMView.tsx:46:16)
...
(12 additional frame(s) were not displayed)
```

Contributor guide

Open the contributing guide

First steps

Read the whole issue, then the project's contributing guide.
Comment on the issue to say you are picking it up — it saves two people doing the same work.
Fork the repository and make your change on a branch.
Open a pull request that references the issue number.

Research direction

Start by reading app/lib/ppom/PPOMView.tsx at line 46 and the linked Sentry stack trace for the PPOMInner#free failure. Determine why the postMessage call can receive null, then verify that the reported TypeError no longer occurs.

Written by the indexing model from the issue text.

Assessment

Tech stack: react-native, typescript
Domain: mobile-dev
Issue type: Bug
Difficulty: 3/5
Estimated time: 1-2 days
Activity status: Stale
Clarity: Needs clarification
Newbie friendliness: 35/100