I've left a review for this. Right now, it's 1/5 stars. This is an awesome theme, which coded correctly, will be fantastic. I've provided @Osman with Feedback and I'm sure he will sort it in the future. I'm just disappointed I'm now out of pocket for finding out. I'll re-review it once the issues are solved. Potential buyers, I'd sit on the fence for now.
Nerva style has been completely renovated. According to xenforo structure is optimized again. This was added as well as a style properties. Former eliminating errors have been harmonized with the current version.