---
page_type: error
code: 45600
message: "45600: Flex UI error"
level: ERROR
product: Flex
---

## Description

Flex UI instance experienced a thrown Flex UI Error A JavaScript error has occurred within Flex UI.

### Possible Causes

- There may have been an issue initializing Flex UI (no network, wrong config)
- There may be an error happening in Flex UI code
- There may be an error happening in user's custom code/plugin

### Possible Solutions

- Fix custom code
- Fix configuration