There's a recurring issue in our Logstash logs with the following error message starting in 1.41.0-wmf.26:
```
MediaWiki\Auth\AuthManager::autoCreateUser: creating new user ({username}) - from: {from}
```
This error message has occurred ~4000 times.
It is affecting the following wikis:
| Wiki | # |
| ------- | --- |
| zhwiki | 907 |
| srwiki | 604 |
| shwiki | 472 |
| kkwiki | 385 |
| banwiki | 371 |
| uzwiki | 367 |
| wuuwiki | 239 |
| kuwiki | 204 |
| tgwiki | 153 |
| crhwiki | 146 |
| ganwiki | 94 |
| enwiki | 29 |
| iuwiki | 25 |
| shiwiki | 17 |
| amwiki | 5 |
| dewiki | 4 |
| jawiki | 4 |
| ruwiki | 3 |
| arwiki | 2 |
| eswiki | 2 |
**Steps to Reproduce:**
- Go to [[ https://logstash.wikimedia.org/app/dashboards#/view/Reading-Web?_g=h@75c69a9&_a=h@7226d3a | Readers Web Dashboard ]] and filter in the `MediaWiki\Auth\AuthManager::autoCreateUser` custom label. It's currently filtered out.
**Expected Behavior:**
The error should not occur, and user creation/authentication processes should function without issues.
**Actual Behavior:**
The error message is frequently appearing in the logs.