ZBrushCentral

ZBrush 4r4 p2 is this a bug?

This just started today. I load the ztool go to edit and then load the IM Brush then load a meterial (other than red wax default) I then start inserting the IM Brush onto the ztool but when I go to MOVE the ztool it makes acopy of itself first in the red wax then in the material I am using. This only happens with the move not happening with rotate or scale. Do you know why this is happening?

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OK this is still happening but not as much. It appears that ZBrush is taking a snapshot then the working ztool in edit mode appears. So far it didn’t stop from saving the model.
So a temp work around is to save the ztool clear the layer then reload the ztool and start working again - it’s not a crash just an odd behavior.
EDIT: This is only happening when I am using IM Brushes.