It's more generic than you think:
http://www.pcmag.com/encyclopedia_term/0,2542,t=stack+underflow&i=51960,00.asp
http://en.wikipedia.org/wiki/Stack_(data_structure)
More than you wanted to know probably:
http://www.google.com/search?q=STACK+UNDERFLOW
Since the problem is with one file for you, start by removing all font
references to anything TFF, switch to SHX temporarily, see if the problem
goes away: remember to strip all font definitions from your Mtext from
inside, not just by using PROPERTIES or anything similar externally.
--
Dean Saadallah
http://ltisacad.blogspot.com
Add-on products for LT
http://www.pendean.com/lt
--
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