Issue 1932 in lilypond: error: need \paper for paper block

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Defect Warning

New issue 1932 by address@hidden: error: need \paper for paper  
block
http://code.google.com/p/lilypond/issues/detail?id=1932

The code below:

\book {
  \score {
         c'1
  }
  \layout { }
}

produces the error:

error: need \paper for paper block

  \layout { }

although output is successfully created.