# 31951: Stream - Protocol - Invalid Message

Log Type: APPLICATION

Log Level: WARNING

## Description

The Streamer has received a message non compliant with the protocol (This error is sent once per stream)

### Possible causes

* Message does not have JSON format
* Unknown message type
* Missing or extra field in message
* Wrong Stream SID used in message

### Possible solutions

* Validate message is compliant with Stream protocols
* Validate message is a valid JSON