reports.log, REP-0004: Warning: Unable to open user preference filePlease see these docs.
One of the request files had the following tns connection closed error, at the time the request was sent the enviorment, listener and database was up so I am unsure why the request would not be able to connect to the database.
REP-0004: Warning: Unable to open user preference file.
REP-0501: Unable to connect to the specified database.
ORA-12537: TNS:connection closed