# Error
Invalid message format '476'

First seen: about 4 hours ago · Last seen: about 4 hours ago
Occurrences: 23
Resolved: No

## Info
- Message: Invalid message format '476'
- When: about 4 hours ago
- Occurred: 2025-11-13 08:56:04 UTC
- Occurred Local: 2025-11-13 08:56:04 (Etc/UTC)
- Handled: Yes
- Severity: error
- Environment: production
- Platform: javascript
- Project: Chat Frontend
- Release Version: chat_frontend-v1.0
- Sourcemap Applied: No

## Backtrace
### Main
- Type: Error
- Value: Invalid message format '476'
- Module: -

1. http://localhost:8080/static/react-test-bundle.min.js, line 467:7096 in `o` (in_app)
2. http://localhost:8080/static/react-test-bundle.min.js, line 467:7138 in `J4` (in_app)
3. http://localhost:8080/static/react-test-bundle.min.js, line 467:8067 in `?` (in_app)
4. http://localhost:8080/static/react-test-bundle.min.js, line 14:11199 in `pg.withScope` (in_app)
5. http://localhost:8080/static/react-test-bundle.min.js, line 14:10646 in `Object._A [as withScope]` (in_app)
6. http://localhost:8080/static/react-test-bundle.min.js, line 14:10292 in `Ge` (in_app)
7. http://localhost:8080/static/react-test-bundle.min.js, line 467:7383 in `yR` (in_app)
8. http://localhost:8080/static/react-test-bundle.min.js, line 26:5442 in `r` (in_app)

## Breadcrumbs
- Time: 08:56:04.313 AM, Cat: -, Level: info, Msg: Attachment uploaded, Type: -
- Time: 08:55:32.737 AM, Cat: console, Level: log, Msg: Sent error: Variant: Missing '647' prop in Message component, Type: -
### Data
```json
{"arguments":["Sent error: Variant: Missing '647' prop in Message component"],"logger":"console"}
```
- Time: 08:55:32.733 AM, Cat: sentry.event, Level: error, Msg: TypeError: Variant: Missing '647' prop in Message component, Type: -
- Time: 08:55:32.732 AM, Cat: -, Level: info, Msg: Message sent, Type: -
- Time: 08:55:30.930 AM, Cat: console, Level: log, Msg: Sent error: Variant: Missing 'endpoint' prop in Message component, Type: -
### Data
```json
{"arguments":["Sent error: Variant: Missing 'endpoint' prop in Message component"],"logger":"console"}
```
- Time: 08:55:30.930 AM, Cat: sentry.event, Level: error, Msg: TypeError: Variant: Missing 'endpoint' prop in Message component, Type: -
- Time: 08:55:30.928 AM, Cat: -, Level: info, Msg: Message sent, Type: -
- Time: 08:55:29.365 AM, Cat: console, Level: log, Msg: Sent error: Missing 'endpoint' prop in Message component, Type: -
### Data
```json
{"arguments":["Sent error: Missing 'endpoint' prop in Message component"],"logger":"console"}
```
- Time: 08:55:29.364 AM, Cat: sentry.event, Level: error, Msg: TypeError: Missing 'endpoint' prop in Message component, Type: -
- Time: 08:55:29.362 AM, Cat: -, Level: info, Msg: Fetched chat history, Type: -
- Time: 08:55:27.535 AM, Cat: console, Level: log, Msg: Sent error: Variant: Expected string for username, got 40, Type: -
### Data
```json
{"arguments":["Sent error: Variant: Expected string for username, got 40"],"logger":"console"}
```
- Time: 08:55:27.533 AM, Cat: sentry.event, Level: error, Msg: TypeError: Variant: Expected string for username, got 40, Type: -
- Time: 08:55:27.532 AM, Cat: -, Level: info, Msg: Message sent, Type: -
- Time: 08:55:26.926 AM, Cat: console, Level: log, Msg: Sent error: Message not found with ID 959, Type: -
### Data
```json
{"arguments":["Sent error: Message not found with ID 959"],"logger":"console"}
```
- Time: 08:55:26.923 AM, Cat: sentry.event, Level: error, Msg: Error: Message not found with ID 959, Type: -
- Time: 08:55:26.920 AM, Cat: -, Level: info, Msg: Fetched chat history, Type: -
- Time: 08:55:25.944 AM, Cat: console, Level: log, Msg: Sent error: Variant: API connection timed out during fetch 'timestamp', Type: -
### Data
```json
{"arguments":["Sent error: Variant: API connection timed out during fetch 'timestamp'"],"logger":"console"}
```
- Time: 08:55:25.943 AM, Cat: sentry.event, Level: error, Msg: Error: Variant: API connection timed out during fetch 'timestamp', Type: -
- Time: 08:55:25.940 AM, Cat: -, Level: info, Msg: User joined room, Type: -
- Time: 08:55:24.078 AM, Cat: console, Level: log, Msg: Sent error: Variant: Message history index out of range (endpoint messages), Type: -
### Data
```json
{"arguments":["Sent error: Variant: Message history index out of range (endpoint messages)"],"logger":"console"}
```
- Time: 08:55:24.076 AM, Cat: sentry.event, Level: error, Msg: RangeError: Variant: Message history index out of range (endpoint messages), Type: -
- Time: 08:55:24.066 AM, Cat: -, Level: info, Msg: Attachment uploaded, Type: -
- Time: 08:55:24.065 AM, Cat: console, Level: log, Msg: Sentry initialized, Type: -
### Data
```json
{"arguments":["Sentry initialized"],"logger":"console"}
```

## Tags
- app: chat_frontend
- environment: test
- technology: react
- version: 8.0.0

## Contexts
### trace
```json
{"trace_id":"ec0cca94bbd94a46958d856a78515701","span_id":"9477e0004a443922"}
```

## HTTP Request
- URL: http://localhost:8080/test.html
### Headers
```json
{"User-Agent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/142.0.0.0 Safari/537.36"}
```

## User
- ID: 512
- Username: demo_user_25
- Email: demo@example.com

## Extras
- context: {"component" => "MessageParser", "format" => "invalid@format"}
- debug_info: {"key" => "value2"}
- request_method: GET
- url: /chat/rooms/45

## SDK
- Name: sentry.javascript.react
- Version: 8.0.0
