On 2019-06-22 10:38 pm, Craig Dabelstein wrote:
Can anyone tell me what this error message means when trying to compile
a
file?
Drawing systems...
/home/gub/NewGub/gub/target/darwin-x86/src/lilypond-git.sv.gnu.org--lilypond.git-stable-2.20/flower/include/drul-array.hh:35
<0>: failed assertion `d == 1 || d == -1'
It means that some code has attempted to access a Drul_array with an
invalid direction. Now seeing as Drul_arrays are so ubiquitous in the
code base, it is impossible to determine which one is throwing the error
without a more complete stack trace.
Do you have a MWE for this error? Failing that, can you run LilyPond
under gdb and share more details?
-- Aaron Hill
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