# Push Notification error

**URL:** <https://forums.rocket.chat/t/push-notification-error/22961>\
**Category:** Community Support\
**Tags:** docker\
**Created:** [July 8, 2026, 10:09am UTC](https://forums.rocket.chat/t/push-notification-error/22961 "2026-07-08T10:09:56Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Fred](https://avatars.discourse-cdn.com/v4/letter/f/db5fbb/32.png) [@Fred](https://forums.rocket.chat/u/Fred)\
**Post date:** [July 8, 2026, 10:09am UTC](https://forums.rocket.chat/t/push-notification-error/22961/1 "2026-07-08T10:09:56Z")

</div>

Bonjour, 👋

### Description

Every messages sent that need push notification, I have this error:

```json
{
  "level": 50,
  "time": "2026-07-08T09:12:01.904Z",
  "pid": 1,
  "hostname": "ab54b365aa4f",
  "name": "Push",
  "msg": "Error sending push to gateway",
  "tries": 5,
  "err": "{\"errorMsg\":\"unsupported version\"}"
}

```

### Server Setup Information

- Version of Rocket.Chat Server: 8.6.0
- Operating System: Ubuntu 24.04
- Deployment Method: Docker
- Number of Running Instances: 1
- DB Replicaset Oplog: True
- NodeJS Version: 22.22.3 - x64
- MongoDB Version: 8.0.26
- Proxy: Traefik
- Firewalls involved: none

### Any additional Information

- Restart done
- Upgrade done
- Enable/Disable push settings and restart RocketChat done

What I can do?

Thanks