Metahuman Face deformation

Hi, I am making short films with metahumans. I can render the video correctly with metahumans in perfect shape after the render. But, while I am working on a project in the sequencer, the metahumans are showing peculiar deformations in the face while running face mocap animations, otherwise the face is ok. It is making lipsync very difficult. I have shared a screenshot of what I am seeing in the viewport while the face mocap is playing. Please help.