# FAQ

**Error Handling and XML Attributes**

**Invalid Username/Password**:

* In case of an invalid Username/Password in `HotelProductListGetRQ`, the partner should always return an error response with `ShortText="Invalid Username or Password"`.

**Invalid HotelCode**:

* In case of an invalid HotelCode in `HotelProductListGetRQ`, the partner should always return an error response with `ShortText="Invalid HotelCode"`.

**XML Attributes**:

* **Request and Response XML**:
  * Will always contain an attribute `xmlns="http://cgbridge.rategain.com/OTA/2012/05"` at the root element.


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