Page Builder by SiteOrigin interface disappeared after Upgrade

Hi Page Builder by SiteOrigin is disappeared from the article creator after upgraded Sydney to the last version.

It works only if creating new post but not if I want to update old post or pages included the Main Page.

Hello there,

I am sorry to hear the trouble you are experiencing.

Could you please share the login credentials to your site admin area and mention the link to this thread?

Regards,
Kharis

Hi, I see that you solved the problem. What was?