"could not detach LogMiner session during cleanup"
*Cause: Failure during detach from a LogMiner session during advance of
an asynchronous change set. This is an internal error. This
exception is raised when a previous exception occurred during
the internal protocol with LogMiner, after which Change Data
Capture attempted to detach the LogMiner session as part of
recovery. The detach session also failed
*Action: Contact Oracle Corporation