# 54208: Map Item already exists

Log Level: ERROR

## Description

A Map Item with given key already exists in the Map.

### Possible causes

* Another Item with the matching Key already exists in this Sync Map, causing a conflict.
* The provided Key parameter is not set correctly.
* Your original Map Item creation request has been sent more than once due to a retrier error.

### Possible solutions

* Confirm a valid Key parameter is being passed in request, matching your expectation.
* Delete a previous Map Item with the matching Key if you no longer need it.
* Pick a different Key. If your items should be unique, consider using a UUID.