The Adapter received a request of a type that it cannot process.
The Adapter only understands certain kinds of requests. This problem occurs when an Adapter receives a request that it does not understand.
Most likely an Adapter is receiving requests from a Hub or QEP running the next version of SHRINE.
If you are a user, forward the details of the error on to your local site administrator.
If you are a site administrator, contact the adapter's administrator and ask about their configuration.
Retired in Shrine 2.1