i totally agree with you, that happened to me because this plugin,, only this plugin prevent even admin login to the backend and destroyed a work of 6 months , but the backup saved my life.
i tried everything possible .. even i exported the views (for backup) then uninstalled the plugin then installed it back and no use, it is odd that i found my old views still there after i installed the plugin back.
However, it is a strange reply but I already checked and my website permission is ok. as i said before, i go back to the previous version and it is working fine,, I can’t trust to update again and destroy my work