Originally Posted by cary328is
This is a known bug (with a lot of apps that use accessibility features) that Samsung still has yet to fix. You can track the ongoing saga here:
Forum | SAMSUNG Developers
Also make sure you have the latest version of light flow which does not need access to accessibility services
I already have the latest version of light flow but still it needs access to the accessibility options to have full functions of the light flow to support apps like whatsapp and etc.