Urgent!!! Zoho mail Mobile app not working

Urgent!!! Zoho mail Mobile app not working

Hi,

From today onwards the Mobile app for Zoho mail is not working in Andriod and iOS. Its showing an error Darn! A server error occurred:400

Please help us to resolve the issue, its not seems to be an issue with our account as I have check with few others and they also facing the same issue.

Thanks and Regards,
Sreejith