Hi @Adnan Ashfaq , you would take the error that is being passed and use custom policies to display a custom message. These pages detail how to do this:
- https://medium.com/the-new-control-plane/customising-the-message-error-text-in-azure-ad-b2c-custom-policies-d1e1ff2640d3
- https://learn.microsoft.com/en-us/answers/questions/1136362/how-to-customize-azure-ad-b2c-custom-policy-config
- https://learn.microsoft.com/en-us/answers/questions/178990/azure-b2c-custom-policies-error-message
Please let me know if this helps!
Best,
James