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[Regarding macOS Tahoe](Updated September 18, 2025)

We cannot guarantee the compatibility of the current releases of Live2D Cubism Editor and Cubism SDK with macOS Tahoe.
We advise against upgrading your macOS at this time as it may cause Live2D products not to function correctly.

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Cannot Open files or export to moc3 file

SodiumCyanideSodiumCyanide
in Help
Anytime i press open file this pops up in the logs in red


[ERROR] Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: Comparison method violates its general contract!
[ERROR] at java.base/java.util.ComparableTimSort.mergeHi(Unknown Source)
[ERROR] at java.base/java.util.ComparableTimSort.mergeAt(Unknown Source)
[ERROR] at java.base/java.util.ComparableTimSort.mergeForceCollapse(Unknown Source)
[ERROR] at java.base/java.util.ComparableTimSort.sort(Unknown Source)
[ERROR] at java.base/java.util.Arrays.sort(Unknown Source)
[ERROR] at java.desktop/sun.awt.shell.Win32ShellFolderManager2.get(Unknown Source)
[ERROR] at java.desktop/sun.awt.shell.ShellFolder.get(Unknown Source)
[ERROR] at java.desktop/javax.swing.plaf.metal.MetalFileChooserUI$DirectoryComboBoxModel.addItem(Unknown Source)
[ERROR] at java.desktop/javax.swing.plaf.metal.MetalFileChooserUI.doDirectoryChanged(Unknown Source)
[ERROR] at java.desktop/javax.swing.plaf.metal.MetalFileChooserUI$5.propertyChange(Unknown Source)
[ERROR] at java.desktop/java.beans.PropertyChangeSupport.fire(Unknown Source)
[ERROR] at java.desktop/java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
[ERROR] at java.desktop/java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
[ERROR] at java.desktop/java.awt.Component.firePropertyChange(Unknown Source)
[ERROR] at java.desktop/javax.swing.JFileChooser.setCurrentDirectory(Unknown Source)
[ERROR] at java.desktop/javax.swing.JFileChooser.(Unknown Source)
[ERROR] at java.desktop/javax.swing.JFileChooser.(Unknown Source)
[ERROR] at com.live2d.ui.swingImpl.m.(Unknown Source)
[ERROR] at com.live2d.ui.window.n.(Unknown Source)
[ERROR] at com.live2d.ui.window.n.(Unknown Source)
[ERROR] at com.live2d.ui.window.n$a.b(Unknown Source)
[ERROR] at com.live2d.cubism.appCtrlImpl.O.b(Unknown Source)
[ERROR] at com.live2d.cubism.CEAppCtrl.command_open(Unknown Source)
[ERROR] at com.live2d.cubism.CEAppCtrl.actionPerformed(Unknown Source)
[ERROR] at com.live2d.cubism.view.CEMainFrameCtrl.actionPerformed(Unknown Source)
[ERROR] at com.live2d.cubism.view.CEMainFrameCtrl.actionPerformed$default(Unknown Source)
[ERROR] at com.live2d.cubism.view.H.a(Unknown Source)
[ERROR] at com.live2d.cubism.view.H.invoke(Unknown Source)
[ERROR] at com.live2d.cubism.view.f.a(Unknown Source)
[ERROR] at com.live2d.cubism.view.f.invoke(Unknown Source)
[ERROR] at com.live2d.ui.control.b.a(Unknown Source)
[ERROR] at com.live2d.ui.control.b.invoke(Unknown Source)
[ERROR] at com.live2d.ui.menu.CMenuItem.doAction_exe(Unknown Source)
[ERROR] at com.live2d.ui.control.CAbstractButton.addOnAction$lambda$2(Unknown Source)
[ERROR] at java.desktop/javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
[ERROR] at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
[ERROR] at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
[ERROR] at java.desktop/javax.swing.DefaultButtonModel.setPressed(Unknown Source)
[ERROR] at java.desktop/javax.swing.AbstractButton.doClick(Unknown Source)
[ERROR] at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
[ERROR] at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(Unknown Source)
[ERROR] at java.desktop/java.awt.Component.processMouseEvent(Unknown Source)
[ERROR] at java.desktop/javax.swing.JComponent.processMouseEvent(Unknown Source)
[ERROR] at java.desktop/java.awt.Component.processEvent(Unknown Source)
[ERROR] at java.desktop/java.awt.Container.processEvent(Unknown Source)
[ERROR] at java.desktop/java.awt.Component.dispatchEventImpl(Unknown Source)
[ERROR] at java.desktop/java.awt.Container.dispatchEventImpl(Unknown Source)
[ERROR] at java.desktop/java.awt.Component.dispatchEvent(Unknown Source)
[ERROR] at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
[ERROR] at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
[ERROR] at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
[ERROR] at java.desktop/java.awt.Container.dispatchEventImpl(Unknown Source)
[ERROR] at java.desktop/java.awt.Window.dispatchEventImpl(Unknown Source)
[ERROR] at java.desktop/java.awt.Component.dispatchEvent(Unknown Source)
[ERROR] at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
[ERROR] at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
[ERROR] at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
[ERROR] at java.base/java.security.AccessController.doPrivileged(Unknown Source)
[ERROR] at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
[ERROR] at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
[ERROR] at java.desktop/java.awt.EventQueue$5.run(Unknown Source)
[ERROR] at java.desktop/java.awt.EventQueue$5.run(Unknown Source)
[ERROR] at java.base/java.security.AccessController.doPrivileged(Unknown Source)
[ERROR] at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
[ERROR] at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
[ERROR] at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
[ERROR] at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
[ERROR] at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
[ERROR] at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
[ERROR] at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
[ERROR] at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)
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Comments

  • Enoko(Staff)Enoko(Staff)
    @SodiumCyanide

    Thank you for always using our products.

    Please tell me about your machine environment.
    - Live2D Software Version: (e.g. Cubism Editor 4.0.01)
    - OS & Version: (e.g. Windows 10, macOS HighSierra)
    - PC Model: (e.g. MacBookPro 2017)
    - Graphics Specifications: (e.g. GeForce GTX 950M)
    - CPU: (e.g. Intel Core i7-7700)
    - Memory: (e.g. 8GB)
    - Illustration Software used: (e.g. Photoshop, ClipStudio, SAI)
    - Attach screenshot or capture video to show your problem:

    Please send us the CMO3 file where the problem occurred and the full text of the log file.
    Please refer to this help page for instructions on how to obtain the full text of the log file.
    https://help.live2d.com/en/other/other_22/

    This is an upload page where only staff can receive data.
    https://biz.datadeliver.net/posts/af4atGoFBrx5

    Best regards.
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