How can I fix the following problem?
Call Stack:
7: safeAssert(char const*, char const*, unsigned int, char const*)
6: ChordMatrix::checkAddChordColumn(Chord*, int)
5: AlignUpdate::updateChords(Sequence*, Sequence*, DiffAlign*, bool, bool, bool, Logger*, DiffAlign*, Timer*)
4: AlignPhase::asmJobUpdate(AlignAsmJob*, bool)
3: AlignAsmUpdateThread::run()
2: Thread::_dispatch(void*)
1: ()
Thread: -38060736

Error: An internal error has occurred in the computation.
Assertion: chord->getLength() > 10
Location: 'bool ChordMatrix::checkAddChordColumn(Chord*, int)' [ChordMatrix.cpp:229]
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