!"
2&
*Too many network errors* (–536)
Explanation: (1) The number of errors detected by the DDCMP protocol has
exceeded the maximum allowed. The local protocol is stopped, and
all pending I/O requests are completed with this error.
(2) The V
+
Kermit driver experienced more errors than permitted by
the KERMIT.RETRY parameter.
User action: (1) Use the NET monitor command to determine the type of errors
that have occurred. Check for noise on the communication line,
errors in the remote DDCMP implementation, or program logic that
sends messages faster than they can be processed. Use the appropri-
ate FCMND instruction to increase the maximum number of errors.
(2) Set the KERMIT.RETRY parameter to a larger value, increase the
retry threshold on the remote server, restart the Kermit session, and
retry the operation that failed.
*Too many vision requests pending* (–703)
Explanation: A program has issued too many VLOCATE commands before the
first ones have completed.
User action: Edit the program to wait for pending VLOCATE requests to com-
plete before issuing more.
*Too many windows* (–550)
Explanation: An attempt was made to create a graphics window when the maxi-
mum number of windows were already defined. (The V
+
system
uses two windows for the screen and the top status line. Every title
bar, menu bar, and scroll bar is a separate window. The pull-down
window is always allocated even if it is not visible. Systems with
AdeptVision always have the vision-training window allocated.)
User action: Where possible, change your window definitions to omit menu bars
and scroll bars. If necessary, use the utility program CONFIG_C to
increase the number of window buffers.
*Trajectory clock overrun* (–636)
Explanation: One of these three conditions has occurred: (1) the time for a new
trajectory point has arrived, but the internal trajectory task has not
finished computing the previous point; (2) the servos did not receive
trajectory data at the expected time because the trajectory task took
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