---
page_type: error
code: 51004
message: "51004: Client Connection: endpoint_id too long"
level: ERROR
---

## Error - 51004

### Client Connection: `endpoint_id` string too long

#### Possible Causes

`endpoint_id` field in the Access Token is too long.

#### Possible Solutions

Consult the product documentation for maximum allowed length of `endpoint_id` field.