Reset password in Niyo global

I couldn’t reset my password in Niyo Global application as it asks for otp that i couldn’t recieve in my international roaming activated sim

Hey @thahasinthaha! We’ve got this checked for you. It looks like you haven’t received the OTP due to network issues. We kindly request you to please retry.

Regads,

Otp not working even for opening application
Now i am blocked from entering app

if its network issue,then how can i recievefederal bank transaction otps and other otps,i think its the issue with my number and your server something