programming error message with bookparts and page-turn-breaking

[William Rehwinkel]

Dear list,




programming error: found a page-turnable place which was not breakable



Thanks,
-Will

\version "2.24.0"

\paper {
  page-breaking = #ly:page-turn-breaking
}

\book {
  \bookpart {
    \markup { title page here }
  }
  \bookpart {
    \score {
      \relative c' {
        \repeat unfold 1024 c8
      }
    }
  }
}


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|    William Rehwinkel - Oberlin College and     |
|                           Conservatory '24     |
|          will...@williamrehwinkel.net          |
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When I use a lilypond file structured similarly to the following minimal example, I get a programming error message thrown when compiling: The resulting file does look correct, with the bookparts seperated and the other pages structured with the optimal turning algorithm. I was just wondering if I was missing something to alleviate the error, as usually when one of these pops up I realized it's due to a small error in the file.

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