An error occurred when importing the model or motion in MMD tool.

[llcxiyir]

Please tell me how to handle this and if it can be fixed by modifying some code.

[fmnijk]

你需要说明如何重现问题，你用什么模型和动作，哪个Blender版本，哪个mmd_tools版本。我在3.6和4.2没有遇过这个问题。