I sometimes have this problem due to what is likely a bug in LyX.

Try the following: segment your document into several documents and see which one(s) fail. Continue removing until you find the offending part(s). Then if you also look at the LaTeX source code you can sometimes find the problem. Ususally for me it is an "extra" space (LyX typically eliminates those, and if it doesn't for some reason, things break).

James


On Oct 31, 2008, at 10:21 AM, Erez Yerushalmi wrote:

Dear All,

I have been working on a document for a long time.
I regularly pdf it.

I didn't do anything to it, and now suddenly screams

This happens on the first line of the document, with line as "standard"

I'm using lyx 1.5.5 , xp.

See below the error...

It complies 1 run, and then 2nd run, and then gets stuck...

Any suggestions would be greatful

Erez

*missing $ inserted*
Beta.pdf}

.

I've inserted a begin-math/end-math symbol since I think

you left one out. Proceed, with fingers crossed.


*Extra }, or forgotten $.*
Beta.pdf}

.

I've deleted a group-closing symbol because it seems to be

spurious, as in `$x}$'. But perhaps the } is legitimate and

you forgot something else, as in `\hbox{$x}'. In such cases

the way to recover is to insert both the forgotten and the

deleted material, e.g., by typing `I$}'.


*Missing $ inserted.*

I've inserted a begin-math/end-math symbol since I think

you left one out. Proceed, with fingers crossed.



and so on...





--
Erez Yerushalmi
PhD Student
Warwick University, UK
http://www2.warwick.ac.uk/fac/soc/economics/research/phds/3rd_year/yerushalmi

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