My note 5 theme store not working

A

AC Question

Guys I have a problem my note 5 theme store is not working at all every time I go to themes and try to click on theme store nothing happens and I tried lot of ways to fix this problem like
Restarting .
Clear cache and data of galaxy apps and restart
I've tried to do a factory reset
And it didn't fix it
So please guys I wish I can find a helpful idea . Thx