start-condition stack underflow

hi guys,

i have a small problem.
i dont no how to recreate this error, because i doesnt find any rule :(

here the message:
---
Fatal error: start-condition stack underflow in 
/var/www/localhost/htdocs/include/lib/smarty/internals/core.write_compiled_include.php 
on line 45
---
i see this error first-time in my 5 years php-coding time :)
i'm little confused about this message, have anybody idea or can help me?
is that a problem with php-code or a smarty problem, anybody know?
and what say this error?
i can't find any related topic in internet for that error.

thanks

-- 
mit freundlichen Grüßen,

Anton Landmann