I got the following error: Error executing parallel subprotocol on WORKSTATION: 'AutoMutex::lock: Mutex not initialized'

The hierarchy to the component throwing the error is: Run to completion --> Run in Parallel --> Run to Completion --> Component Throwing Error (Which is the sort component). I have a basic understanding of the problem -- could someone clarify a bit more and offer a solution (e.g., force mutex initialization somehow). The protocol ran successfully for 8 hours before doing this and has successfully completed for other datasets before. Thanks!