Selecting "Show channels" in the new Mixer crashes

• Nov 14, 2018 - 11:05
Reported version
3.0
Priority
P0 - Critical
Type
Functional
Frequency
Once
Severity
S1 - Blocker
Reproducibility
Always
Status
closed
Regression
Yes
Workaround
No
Project
MuseScore

When selecting the right arrow, "Show Channels", in the new mixed on a score with a 'handmade' set of channels for close score SATB, MuseScore crashes
2.x template attached

Fatal: ASSERT: "!isEmpty()" in file C:/Qt/5.12.0/mingw73_64/include/QtCore/qlist.h, line 347 (C:/Qt/5.12.0/mingw73_64/include/QtCore/qlist.h:347, )

Attachment Size
04-SATB_Close_Score.mscx 16.54 KB

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