When trying to do a XOG request to insert a new user, you are observing this error:
]]></Exception>
</ErrorInformation>
</Record>
<Record>
<KeyInformation>
*
</KeyInformation>
<ErrorInformation>
<Severity>FATAL</Severity>
<Description>This record has not been inserted</Description>
<Exception><![CDATA[missing resource new id
The same code works in a different environment.
Release : 15.9.3
Component : Clarity XOG and REST API
Try to flush Clarity caches: 98199 - Flush Clarity server cache