---
page_type: error
code: 52135
message: "52135: Missing subject in APNs certificate"
level: ERROR
product: Notifications
---

## Error - 52135

### Missing subject in APNs certificate

#### Possible Causes

- The subject of APNs certificate is missing.

#### Possible Solutions

- The subject of the APNs certificate is the bundle ID of your application. Make sure you have a bundle ID defined when generating the certificate signing request.