MARK aborting within nest survival models

Hi all,
MARK keeps crashing within a new nest survival analysis. Each time I run the first model it aborts with the following message. Any thoughts?
Thanks,
noah
Error Code: 4{ }
Subsystem: BASE
Function: LOG
Argument: 6
CallStack:
MYTOPAPPWIN:APPENDOUTPUT (LINE:35)
MYTOPAPPWIN:INIT (LINE:108)
APP:START (LINE:1120)
START (LINE:6)
Any thoughts?
MARK keeps crashing within a new nest survival analysis. Each time I run the first model it aborts with the following message. Any thoughts?
Thanks,
noah
Error Code: 4{ }
Subsystem: BASE
Function: LOG
Argument: 6
CallStack:
MYTOPAPPWIN:APPENDOUTPUT (LINE:35)
MYTOPAPPWIN:INIT (LINE:108)
APP:START (LINE:1120)
START (LINE:6)
Any thoughts?