Weird scp messages in webspeed BROKER log

11.6.3 on RHEL

In a webspeed broker log, I see the following. Anyone ever see this before? Not the server log, the broker log. 

Message from server : stty: standard input: Invalid argument
Warning: Permanently added ''myServerName,10.1.1.22'' (RSA) to the list of known hosts.
scp: /tmp/n006_42632.pdf: No such file or directory
(8113)

Message from server : Warning: Permanently added ''someOtherServer,10.1.1.33'' (RSA) to the list of known hosts.
-------------
W A R N I N G
-------------

THIS IS A PRIVATE COMPUTER SYSTEM.

This computer system including all related equipment, network devices
(specifically including Internet access), are provided only for authorized
use. All computer systems may be monitored for all lawful purposes, including
to ensure that their use is authorized, for management of the system, to
facilitate protection against unauthorized access, and to verify security
procedures, survivability and operational security. Monitoring includes
active attacks by authorized personnel and their entities to test or verify
the security of the system. During monitoring, information may be examined,
recorded, copied and used for authorized purposes. All information including
personal information, placed on or sent over this system may be monitored.
Uses of this system, authorized or unauthorized, constitutes consent to
monitoring of this system. Unauthorized use may subject you to criminal
prosecution. Evidence of any such unauthorized use collected during monitoring
may be used for administrative, criminal or other adverse action. Use of this
system constitutes consent to monitoring for these purposes.

/tmp/n642632.pdf: No such file or directory
stty: standard input: Invalid argument
Warning: Permanently added ''yetOnetherServer,10.1.1.44'' (RSA) to the list of known hosts.

In case it could be useful:

brkrLogEntryTypes(*)=UBroker.Basic
brkrLogThreshold=0
brkrLoggingLevel(*)=3 (0x3)