check your WP tables., obviously something did not restore correctly.
We have no insight into the self managed WPSLP plugins, the locations are not stored on pur server (unlike the MYSLP SaaS products)
Follow the Forum posting guidelines if you need assistance. The screenshot you have attached does not provide any information for us to assist you.
we cannot guess at what versions of SLP, WP, PHP, nor your site url and you do not have orders in the system for the user name you signed in with.
Follow the WP troubleshooting about restoring sites