The SHRINE query entry point has received a request that it cannot interpret.
Something - usually the SHRINE web client - has sent an XML request to the QEP that the QEP cannot interpret. The QEP has replied with an error response.
If you are using SHRINE's web client please report the summary, description, and all details to firstname.lastname@example.org so that we can investigate and fix this bug.
If you are using the QEP's web API directly, please examine the details in this response to learn more about what the QEP expects from its clients.