Facebook Login Issue!! – Girls' Frontline Review

I’ve had this app in the past, and have used my Facebook to login previously. However, upon re-downloading this game, I have encountered an issue with the Facebook login stating that only registered test users or users with permission from the app admins were allowed to login due to the app ‘being under development’. I’d love to play this game again, but until this is fixed, I can’t do anything!
Review by NazzoJC on Girls' Frontline.