An internal error has occurred - AWSJPL006E

AWSJPL006E An internal error has occurred. A database object "xxxx"
cannot be loaded from the database. 
Cause and solution: Usually "xxxx" is an object like a workstation, job, or job stream. This error means that a connection with the database is broken. In this case, check the error in the messages.log and the ffdc directory as additional information related to the error is logged there.