fktifzobr
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The idle animation turned out well, but the rest are buggy(((((((
You can only use one animation from the ready-made ones; each subsequent imported animation breaks the mesh for this model.
That is, you need to redo each animation from scratch, except for one that you take as the main one. I don't know why this is happening, but I've encountered this many times.
I think this is because the animations are exported in .fbx format, where the bone weights are usually corrupted during the process.
Is it possible to export the animations in .psa format?