please hold on just a little bit more

hi
I try to use upfront
but it always gives a message that
"please hold on just a little bit more"
I waited about 1 hour, but upfront havent activated
I have tried several times
and I have deactivated all the plugins and tried again, and the result is the same
the upfront is not working for me

I have granded access to support

Please help me
Thanks...