Multisided media %1 could not be identified in library %2. RSM attempted to flip the media to identify the second side but ...

Multisided media %1 could not be identified in library %2.  RSM attempted to flip the media to identify the second side but could not because the media was in use by another process.  This media has been forced into the Unrecognized pool and left in the disabled state.  Perform a full inventory or eject the media and re-insert it into the library to fix this situation.