HP-UX SNAplus2 CSV Programmer's Guide

Common Service Verbs Reference
COPY_TRACE_TO_FILE (HP-UX Systems Only)
Chapter 252
The operating system has encountered an error while
processing the verb. The operating system return code
is returned through the secondary_rc . If the problem
persists, consult the System Administrator for
corrective action.
For the meaning of the operating system return code,
refer to the file /usr/include/errno.h.