# Error Messages

- [Why am I getting a 404 Error – Page Not Found?](/error-messages/getting-404-error-page-not-found.md): The WooCommerce REST API requires 'pretty' permalinks to work correctly.
- [Why am I getting a Time Out error?](/error-messages/time-out.md)
- [Why am I getting a SyntaxError?](/error-messages/syntax-error.md): If a server response is not valid JSON, WooCommerce POS will throw a SyntaxError.
- [Why am I getting a 500 Internal Server Error?](/error-messages/500-internal-server-error.md): A 500 Internal Server Error is a generic server error, usually caused by plugin or theme conflict.
- [Why am I getting an IndexedDB Error?](/error-messages/indexeddb-error.md): Some browsers will give an IndexedDB Error if Private Browsing is enabled.
- [Why am I getting an Exceeded Quota Error?](/error-messages/exceeded-quota-error.md): This error usually appears when there is no more disk space on your local machine.