---
page_type: error
code: 54458
message: "54458: Invalid List Item index"
level: ERROR
product: Sync
---

## Error - 54458

### Sync: Invalid List Item Index

The List Item index must be a non-negative integer.

#### Possible Causes

- The value supplied by the List Index parameter contains a non-integer or a negative integer.

#### Possible Solutions

Confirm that a valid List Index parameter is being passed in your request.