Broken document

[Daniel]

Hi!

I somehow managed to break one of my documents and cannot see where the 
problem is. I have attached a minimal example that I produced after a 
longer error hunt (because LyX did not give me helpful error feedback on 
this).

Does someone have an idea how the error occurred or how I might be able 
to fix it?

The LaTeX error message does not tell me much and LyX did not even point 
me to the position in the document where the error occurred.

--- LaTeX Error ---

     lsttxt    = \RSlsttxt}

I've run across a `}' that doesn't seem to match anything.
For example, `\def\a#1{...}' and `\a}' would produce
this error. If you simply proceed now, the `\par' that
I've just inserted will cause me to report a runaway
argument that might be the root of the problem. But if
your `}' was spurious, just type `2' and it will go away.

--- End ---

Best,
Daniel
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