Updating mobile phone during SMSOTP login in WSO2IS is failing with SMSOTPException: User does not exist in the User Store

Question

With SMSOTP enabled (in 5.10.0 with this guide https://is.docs.wso2.com/en/5.10.0/learn/configuring-sms-otp/#configuring-sms-otp), when logging-in with user "john.doe@e