How to fix this?
Thank you, this fix the app.
You are welcome.
Is your app is fully approved. If approved,make sure to updgrade your Facebook APP version 7.0 , details here https://xeroneit.net/forum/thread/xerochat-v41-and-facebook-app-v70-compability
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howard83 
2 Answers
howard83
4 years agoThank you, this fix the app.
xeroneitbd Admin
4 years agoYou are welcome.
alaminjwel Admin
4 years agoIs your app is fully approved. If approved,make sure to updgrade your Facebook APP version 7.0 , details here https://xeroneit.net/forum/thread/xerochat-v41-and-facebook-app-v70-compability