Possible Csrf Attack On Brand Page

hoping someone can help me. Recently we upgraded the php version to latest one. After this changes, we can't edit brand page content. When try to edit brand page contents from Features option, it redirects to dashboard and shows "Error Access denied: Possible CSRF attack". Please help me fix it. Thank you

https://forum.cs-cart.com/topic/43754-erroraccess-denied-possible-csrf-attack/

almost always this

thanks lot. problem solved