Playmode don't works

I’m new in Unity 3D and I want to know how to enable playmode, “Play button” don’t works. Do I have to create a point where to begin that mode?

But that’s not all. Before I wasn’t having any error, but now I get an error when I try to enter playmode:

All compiler errors have to be fixed after you can enter playmode!

Thank you!

that message means that you have a script that still has syntax error in them(meaning errors resulting from wrong code)

if you post the script causing the error we could help you out further.

Thanks for the responses. It was a few-days project, it’s not important, so I began a new project. Now when I click the Play button I can see the horitzontal view.

The object I want to move is a Sphere and it’s on a simple plane terrain.
I didn’t change the controls and I can’t move. WASD/UpDownLeftRight don’t works.

I solved it myself: it wasn’t playmode, it was just the camera view.