The material i am working with is copyrighted and i cannot share it. I can try to reproduce this problem with other material, but since it is your job to give a working application to your loyal customers, i cannot do this for free.
Hi sonority, Thanks for your feedback! Could you capture the screen video to reproduce this issue? Also please provide your project to us. You can upload your YouTube and upload the project to cloud service such as Google Drive. And attach the links in your next comment. Thanks for your help! Calvin Reallusion.