invisible vines !!

Device : PC - Windows 10
Issue : invisible vines..
MC Version : 1.2.13.6 Beta

Some Vines is cant see by eye ( invisible ) i have Re-Load Chunks and Re-Open The World. but the " Vines " is still invisible. Hope u can fix this As Soon As Possible..

*U Can See 2 Images / Screen Shots Down Below...

Thanks....
MC879