What is this error after using a script for splitting head and body and using deformers ?

Angells

2023-02-15 16:50:56.722 [WARNING] :: Index out of range in DzWeightMapValues::getWeight()
2023-02-15 16:50:56.722 [WARNING] :: Index out of range in DzWeightMapValues::getWeight()

Now my morphs don't work anymore.

 

 

 

Richard Haseltine

It is saying, I think, that it is being told to get weight for vertex X, but therea re not X weights so the operation fails. Why that would happen I don't know.