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Live2D Cubism
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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/
For inquiries regarding issues with license purchases or license activation errors, please contact us through the email form.

Comments
Thank you for your continued use of our product.
We apologize for any inconvenience caused.
We will look into the matter in detail.
Does the sample model "Mark-kun" complete export successfully?
Does the problem occur only with the original model?
Please send us the model file that is causing the problem from this page.
https://biz.datadeliver.net/posts/R0YW5NJc9fMg
Best regards.
Thank you for sending us the file.
I will check it and get back to you.
Please wait for a while.
We apologize for the delay in contacting you.
We are continuing to investigate this matter.
We would like you to submit the following data
Full text of the log file
Please refer to this page for details on how to obtain the data.
https://help.live2d.com/en/other/other_22/
Please upload your files to this page.
https://biz.datadeliver.net/posts/R0YW5NJc9fMg
Best regards.
Thank you for sending us the log file.
We have looked at them.
We are not sure of the exact cause at this time, but removing the art mesh "Tail" solves the problem.
We apologize for the inconvenience, but please try deleting "Tail" and recreating it.
If the problem persists after that, please contact us again.
We will continue to investigate and will fix the bug as soon as the cause is determined.
We apologize for any inconvenience this may cause, but we recommend that you save multiple copies of the file and back them up as you work.
Best regards.