type some note from synth or keyboard
go to a random place and delete several chords with menu
go some steps back and remove a chard again
do ctrl-z two (maybe more) times
!!! profit
midiana crashed with message [Fatal: final field not present in json! staffList]
but i successed saving backup of your project into file
[/home/klesun/mounted_fat/progas/shmidusic/bin/savedJustBeforeFatal/fatal_backup_2016-01-10-22-53-49.bs.json]
stack trace:
java.lang.Throwable
at org.shmidusic.stuff.tools.Logger.fatal(Logger.java:26)
at org.klesun_model.IModel.reconstructFromJson(IModel.java:42)
at org.shmidusic.sheet_music.SheetMusic.<init>(SheetMusic.java:17)
at org.klesun_model.Explain.lambda$map$36(Explain.java:81)
at org.klesun_model.Explain.ifSuccess(Explain.java:65)
at org.klesun_model.Explain.map(Explain.java:81)
at org.shmidusic.MainPanel.undo(MainPanel.java:100)
at org.shmidusic.sheet_music.SheetMusicComponent$1.lambda$getMyClassActionMap$20(SheetMusicComponent.java:63)
at org.klesun_model.ContextAction.redo(ContextAction.java:64)
at org.klesun_model.IKeyHandler.handleKey(IKeyHandler.java:33)
at org.shmidusic.sheet_music.SheetMusicComponent.lambda$new$22(SheetMusicComponent.java:74)
at org.shmidusic.stuff.tools.Fp$1.keyPressed(Fp.java:24)
type some note from synth or keyboard go to a random place and delete several chords with menu go some steps back and remove a chard again do ctrl-z two (maybe more) times !!! profit