Story summary, I bought a website where the seller will also install it for me. I installed a wordpress on the site and gave him the login details of the wordpress because we agreed he can work from there instead of logging in my cpanel.
Now, he send me a message that he can't install the theme, that there's no option for it.
I logged in my wordpress and saw this at the bottom of "Themes" page:
You only have one theme enabled for this site right now. Visit the Network Admin to enable or install more themes.
I replied to him about this and this is his reply:
"you are the admin you can see what ever you want.Just enable option for me."
I don't really believe it since there should be no difference, he should have the same privilege as I am with the wordpress right? That's the reason why I gave my login details.