# 45351: Invalid Channel Participant properties.

Log Type: APPLICATION

Log Level: ERROR

## Description

Failed to add Participant `<participant sid>` to Channel `<meeting sid>`. Channel Participant properties must contain exactly one of "identity" or an "address"/"proxy\_address" pair.

### Possible causes

A create Conversation or add Participant request was made with a Participant having both or neither of identity and address specified.

### Possible solutions

Specify either identity or address for Participants