Why do I cant share my game fromMac to the Unity website﹖,Why do I can't share my game from Mac to the Unity website//**-+9871230

So when I go to the Unity editor then Window,Then share WebGL game then I cant share that game from Mac and I don't know why because I did everyt$$anonymous$$ng correct. After when I built up it just shows a screen w$$anonymous$$ch is telling me that I need to build first the game but I have did that a few minuets ago. What should I do now﹖ @ronaldo867 is my username,ü