---
page_type: error
code: 54150
message: "54150: List not found"
level: ERROR
product: Sync
---

## Error - 54150

### Sync: List not found

The specified List does not exist.

#### Possible Causes

- The supplied Sync List SID is erroneous.
- The requested Sync List has been deleted.

#### Possible Solutions

Confirm that the list you're requesting exists, and that you are using the precise SID or unique name it is assigned.