# 45731: Pre-engagement data too large. 

Log Type: APPLICATION

Log Level: ERROR

## Description

Failed to create webchat conversation. Pre-engagement data too large.

### Possible causes

Pre engagment data is over the maximum allowed size of 16KB.

### Possible solutions

Ensure pre-engagement data is less than 16KB.

Read more about creating valid attributes [here.](/docs/conversations/attributes)