Your questions

📄️ Publication comes from a personal account, not from a group/page

If you want posts in the connected Odnoklassniki groups to be published from the group or page itself, you need to enable this feature in the group settings on Odnoklassniki.

📄️ Error attaching link. The social network could not access the site via the link

This error occurs on the Odnoklassniki side.

📄️ The post in Odnoklassniki looks different from the preview

If you open a published post without signing in to Odnoklassniki, it may look different from the