Bard E - Bug

I played many bard games and noticed if you try to cast his Magical journey on a wall it sometimes cast an useless mini portal that doesnt port you anywhere

Its the same as i encountered on PBE

Pls fix this it happens mostly on midlane walls towards river if you try to cast it tangential to a wall. the portal floats in midair and doesnt port you anywhere.

I died 3 times already thanks to this.

Im pretty shure that im not alone with this problem.

And btw rito just move it and dont just delete it .