Vladimir Invisibility Bug

Hi good day i recently discovered a bug with the new item "tricksters glass" it kept turning me invisible when i turned into a vladimir when i was kat it happen twice in 2 different games it seems to only occur when i change to vlad all that can be seen is my health bar an name but at the end of the 30 seconds i change back to normal,the other players also saw me invisible so idk if any1 else experiencing this problem or is it only me..... jus putting it out there