Gru (silver) skills don't do anything

I got a Gru (silver) to replace my Gru (copper) but using the first or second skill triggers animation but causes no effect on my enemies. No team damage, no row clearing. icon_cry.gif

(Tried to post on Suggestions & Feedback but not allowed...)



Moderator note: Split into a separate topic, moved to Bugs and Technical Issues. -DayvBang