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[Regarding macOS Tahoe](Updated October 16, 2025)
macOS v26 Tahoe is now supported!
We advise against upgrading your macOS at this time as it may cause Live2D products not to function correctly.
Upgrading macOS can also cause you to lose your Cubism Editor license file.
Please make sure to deactivate your Cubism Editor license before upgrading the macOS.
For more details:
https://help.live2d.com/en/other/other_09/
macOS v26 Tahoe is now supported!
We advise against upgrading your macOS at this time as it may cause Live2D products not to function correctly.
Upgrading macOS can also cause you to lose your Cubism Editor license file.
Please make sure to deactivate your Cubism Editor license before upgrading the macOS.
For more details:
https://help.live2d.com/en/other/other_09/
For inquiries regarding issues with license purchases or license activation errors, please contact us through the email form.
Please help me fix the error..
I'm using a translator right now, so I'm not good at words.
I've never made a lot of Live2d, so I'm very clumsy.....
How should I solve this?
[ERROR] java.lang.ArrayIndexOutOfBoundsException
[ERROR] at com.live2d.serialize.archiver.RandomAccess$b.a(Unknown Source)
[ERROR] at com.live2d.serialize.archiver.ArchiveWriter.writeHeader(Unknown Source)
[ERROR] at com.live2d.serialize.archiver.ArchiveWriter.writeToBytes(Unknown Source)
[ERROR] at com.live2d.serialize.UUSerialize.serializeToBytes(Unknown Source)
[ERROR] at com.live2d.serialize.UUSerialize.serializeToBytes$default(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.x$a.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.x$a.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.x.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.b.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.b.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.f.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.f.invoke(Unknown Source)
[ERROR] at com.live2d.util.ad.a(Unknown Source)
[ERROR] at com.live2d.util.af.run(Unknown Source)
[ERROR] at java.lang.Thread.run(Unknown Source)
moc3 file cannot be saved.
Looking at the log, I see the above error.
I've never made a lot of Live2d, so I'm very clumsy.....
How should I solve this?
[ERROR] java.lang.ArrayIndexOutOfBoundsException
[ERROR] at com.live2d.serialize.archiver.RandomAccess$b.a(Unknown Source)
[ERROR] at com.live2d.serialize.archiver.ArchiveWriter.writeHeader(Unknown Source)
[ERROR] at com.live2d.serialize.archiver.ArchiveWriter.writeToBytes(Unknown Source)
[ERROR] at com.live2d.serialize.UUSerialize.serializeToBytes(Unknown Source)
[ERROR] at com.live2d.serialize.UUSerialize.serializeToBytes$default(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.x$a.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.x$a.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.x.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.b.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.b.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.f.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.f.invoke(Unknown Source)
[ERROR] at com.live2d.util.ad.a(Unknown Source)
[ERROR] at com.live2d.util.af.run(Unknown Source)
[ERROR] at java.lang.Thread.run(Unknown Source)
moc3 file cannot be saved.
Looking at the log, I see the above error.