The LXI Problem Details schema provides detailed explanation from the device regarding HTTP operations that do not have an implicit response. Further detail could be an explanation of error conditions, or other device status regarding the invoked method.
If the HTTP response is OK (200), the LXIProblemDetails response is not required.
For some use cases, such as determining authentication requirements, it may be appropriate for a client to intentionally generate an HTTP error then use this structure and the response headers to determine the requirements to access the designated resource.
In such cases, the information in this element may be redundant with information also available from response headers.