Water elemental not auto attacking

Hello everyone, for about a month already I have been having a problem with my water elemental not auto attacking once I use Icy Veins. I tried clicking separately each spell it looks like it tries to cast but gets blocked by something… It’s so annoying because I can’t refresh my Flurry spell with its cast. I tried putting it on defensive, passive, assist, nothing worked. Auto attack spell is blinking but it is not attacking at all, even when I click on it it doesn’t want to attack… Any help?