The Question is:
what is SYSTEM-F-CHANINTLK?
The Answer is :
SS$_CHANINTLK has a binary value of 76, and could easily be a bogus
status message here; this could easily be a random value left when
the image or routine exits. As for the message itself, please see:
$ HELP/MESSAGE CHANINTLK
CHANINTLK, channel usage interlocked
Facility: SYSTEM, System Services
Explanation: An application attempted to perform a terminal I/O request to
a pseudoterminal that has a virtual terminal linked to it.
User Action: Do not use the channel for terminal I/O until the virtual
terminal is no longer linked.