Wrong side out face flexes

Time ago I have tried to make faceposeable ragdoll, but for some reason face flexes working very strange after compiling. Vertexes are moving to the wrong side. A made a mouth open flex - it closing lips randomly, not fully as mouth opening.

Here’s how it looking on eyeclose flex

In 3D Max:

Result(eyelashes just rising up for a little but eyelid not moving for some reason):

I’m using vtacreate.exe - it worked fine time ago. But now this random problem =/