While trying to use the BVN Lookup, there are 2 possible issues why you're not getting an OTP.
You have ported your line from one network to another.
You currently use a Glo line, we are currently monitoring an issue where NIBBS doesn't send OTPs to Glo lines.
In the case of both of them, kindly verify your BVN via email if that's an option and if it isn't, please reach out to [email protected] for assistance.