Copy/Paste problems causing crash

• Jun 25, 2019 - 01:40

I have taken a copy of a score with the objective of adding a staff made up of sections from the various instruments to provide the melody. I then want to print the staff for the instrument I play with this 'melody' staff in 'cue note' format. I am having problems in creating this staff, however, causing crashing and have not found a solution to this problem.
When I copy and paste from one instrument to the melody staff I am careful to paste (usually mid-bar) to the position where the bar has the correct note duration content to match the time signature. However, MuseScore seems to add a rest making the note content exceed the limit and causing a crash. If I recover the file and delete the errant bar from the score with the aim of recreating it, the new bar suffers the same problem with possibly the value of 9 quavers in a 4/4 bar. The crash may not happen immediately but may happen after I have done 3 or 4 joins and the crash report identifies the 3 or 4 join bars as having too many notes. Screenshot attached.
I tried a different tack i.e. to leave the melody bars in their original staff and deleting the contents of all other bars. This, I thought, would give a less complex canvas to create the melody bar later. I didn't get that far, however, as the same problem reared its head again causing a crash. I gave up.


Comments

In reply to by ericfontainejazz

For the record, any devs...I'm on latest master and I had his scores open and wasn't doing anything but suddly I get a crash (assert failure) with the following stack trace:

1 raise 0x7fffee21d755
2 abort 0x7fffee208851
3 QMessageLogger::fatal(const char *, ...) const 0x7fffee62e8aa
4 qt_assert(const char *, const char *, int) 0x7fffee62dce2
5 Ms::Measure::write measure.cpp 1930 0x555556607dc5
6 Ms::writeMeasure scorefile.cpp 67 0x5555567ac005
7 Ms::Score::writeMovement scorefile.cpp 230 0x5555567ad519
8 Ms::Score::write scorefile.cpp 268 0x5555567adaef
9 Ms::Score::writeMovement scorefile.cpp 240 0x5555567ad658
10 Ms::Score::write scorefile.cpp 263 0x5555567adac6
11 Ms::Score::saveFile scorefile.cpp 724 0x5555567b09ad
12 Ms::Score::saveCompressedFile scorefile.cpp 575 0x5555567af6fd
13 Ms::MuseScore::autoSaveTimerTimeout musescore.cpp 5025 0x555555f0e6e3
14 Ms::MuseScore::qt_static_metacall moc_musescore.cpp 795 0x555555ceab8b
15 QMetaObject::activate(QObject *, int, int, void * *) 0x7fffee8592f9
16 QTimer::timeout(QTimer::QPrivateSignal) 0x7fffee8663f8
17 QObject::event(QEvent *) 0x7fffee859cd5
18 QApplicationPrivate::notify_helper(QObject *, QEvent *) 0x7ffff65ce485
19 QApplication::notify(QObject *, QEvent *) 0x7ffff65d79b1
20 QCoreApplication::notifyInternal2(QObject *, QEvent *) 0x7fffee82d782
...

In reply to by bobjp

This issue I presume: #290546: Copy-paste a part with mm rests on another part/mm rests leads to corruption/crash
Your second score (1st and Bass) annonces a corruption when loading, but the more serious problem is in part "Acc1" (with a lot of empty measures - visible by disabling mm rests)
And so, as already noticed, save this part, and you obtain a crash when restarting: Issue 1-Acc_1.mscz

The immediate solution is: delete parts and re-create them (of course fix too corruption measure 16 in main score) and the problem must disappear. See this repaired second score: Dam Busters 1st and Bass.mscz
And by waiting a global fix: avoid to copy-paste instrument part containing mm rests on another instrument part containing mm rests too. Disable first the mm rests in the "copied" part.

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