The SEMRush domain overview connector works fine when you just extract data.
When you try to write the formula, however, it sends the following error
exact formula is: =Connector("SEMrush.DomainOverview";"domain.com";"us";"2017-02-15";"Or,Ad";VRAI)
Thank you for reporting this. We've noticed there's a bug associated with inserting formulas. Will try to fix it asap.
Fixed in 7.0.8 http://links.seotoolsforexcel.com/latest/