Larian Studios Forums Divinity: Original Sin 2 - The Modding Dungeon Divinity - Original Sin 2 - Modding Troubleshooting GR2 convert(1.14.0)

My english is very bad,but you should be understand.
Here are my steps on format conversion
original GR2 file

1.
***.GR2---->***.dae


mesh and skeleton is normal
2.
***.dae---->***(1).GR2

Granny Viewer report an error

and don't show up anything

3.
***(1).GR2---->***(1).dae
mesh is offest,but skeleton is still control mesh

4.
***(1).GR2 is renamed ***.GR2 and import to Shared.pak.you will see head disappear(far away from body)


This problem stops me edit characters mesh,please help me.