.MGU files (Band in a Box files)
Lonny3octaves (https://musescore.com/user/29936993) sent a message: .MGU files open and display properly with Musescore 3.6.2, but they will not play and can't be saved. When attempting either of those actions, the app quits.
How can I fix that?
Comments
mgu/sgu import is listed as experimental in the open files dialog.
I'm guessing your import created a corrupt score which then in turn leads to the crashing.
If you attach the mgu file here then perhaps someone could try and reproduce it.
In reply to mgu/sgu import is listed as… by jeetee
I have the same problem. 2 sample mug files in attached Zip file.
In reply to I have the same problem. 2… by gilesddavidso
Both mgu files import just fine in MuseScore 3.6.2 on Windows 10
But MuseScore indeed crashes on saving them as mscz
In reply to Both mgu files import just… by Jojo-Schmitz
Stack trace:
1 Ms::Fraction::ticks fraction.h 247 0x105dcec
2 Ms::ChordRest::writeProperties chordrest.cpp 183 0x95e7da
3 Ms::Chord::write chord.cpp 993 0x93d8ec
4 Ms::Score::writeSegments scorefile.cpp 1364 0xb4dade
5 Ms::Measure::write measure.cpp 1991 0xa21fa2
6 Ms::writeMeasure scorefile.cpp 74 0xb458f2
7 Ms::Score::writeMovement scorefile.cpp 245 0xb4701d
8 Ms::Score::write scorefile.cpp 279 0xb47668
9 Ms::Score::saveFile scorefile.cpp 763 0xb4a766
10 Ms::Score::saveCompressedFile scorefile.cpp 611 0xb4960b
11 Ms::MasterScore::saveFile scorefile.cpp 423 0xb481f9
12 Ms::MuseScore::saveFile file.cpp 580 0x4bd934
13 Ms::MuseScore::saveFile file.cpp 520 0x4bd126
14 Ms::MuseScore::cmd musescore.cpp 6256 0x4318bc
15 Ms::MuseScore::cmd musescore.cpp 6044 0x43077a
16 Ms::MuseScore::qt_static_metacall moc_musescore.cpp 610 0x5eed7d
17 void doActivate(QObject *, int, void * *) 0x68b978bb
18 QActionGroupPrivate::_q_actionTriggered() 0x32824cc2
19 QActionGroup::qt_static_metacall(QObject *, QMetaObject::Call, int, void * *) 0x32825299
20 void doActivate(QObject *, int, void * *) 0x68b978bb
...
Apparently a division by 0 due to a chord or rest duration of 0, with a 0 numerator and denominator
Actually all the notes in those scores (all but the very last on oner of them)) seem to have a duration of "Full Measure", something that exists only for rests (and is different from a whole note/rest duration).
So it is really either the mgu import that is completly broken, of the mgu files themself.
In reply to I have the same problem. 2… by gilesddavidso
MuseScore 2.3.2 does import it better, it does report 1 resp. 2 corrupted measures on import already, but at least they do save as mscz and playback
MuseScore 3.5.2 does crash on them the same way as 3.6.2 (and the latest development builds)
In reply to I have the same problem. 2… by gilesddavidso
Feel free to report this in the issue tracker, for it to not get lost and hopefully get fixed some time in MuseScore 4
Edit: it is already, see #304940: BIAB MGU Import loses note durations, MuseScore crashes on save