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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.
"Thread-595" kotlin.NotImplementedError
Hello Im trying to export my model but getting this:
[ERROR] Exception in thread "Thread-595" kotlin.NotImplementedError: An operation is not implemented: Support for extended blending
[ERROR] at com.live2d.cubism.doc.model.exporter.w$a.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.w$a.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.w$a.g(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.w$a.e(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.w.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.d.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.d.invoke(Unknown Source)
[ERROR] at com.live2d.util.aj.a(Unknown Source)
[ERROR] at com.live2d.util.ai.a(Unknown Source)
[ERROR] at java.base/java.lang.Thread.run(Unknown Source)
[INFO ] delete file :: C:\Users\johan\AppData\Roaming\Live2D\Cubism5.3alpha_Editor\backup\fawnographicmouth jaw seperate3_backup2025_0706_0623.cmo3
Any idea what it means or how I can fix it?
[ERROR] Exception in thread "Thread-595" kotlin.NotImplementedError: An operation is not implemented: Support for extended blending
[ERROR] at com.live2d.cubism.doc.model.exporter.w$a.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.w$a.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.w$a.g(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.w$a.e(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.w.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.d.a(Unknown Source)
[ERROR] at com.live2d.cubism.doc.model.exporter.d.invoke(Unknown Source)
[ERROR] at com.live2d.util.aj.a(Unknown Source)
[ERROR] at com.live2d.util.ai.a(Unknown Source)
[ERROR] at java.base/java.lang.Thread.run(Unknown Source)
[INFO ] delete file :: C:\Users\johan\AppData\Roaming\Live2D\Cubism5.3alpha_Editor\backup\fawnographicmouth jaw seperate3_backup2025_0706_0623.cmo3
Any idea what it means or how I can fix it?
Tagged:
Comments
Thanks for using our products.
Did you create the model with the problem in Cubism Editor 5.3.00 alpha?
If so, it could be similar to the following issue
https://community.live2d.com/discussion/2215/everytime-i-try-to-export-a-model-but-i-keep-getting-a-erorr
Best regards.