Hi there  @Aisamuddin 

I found the following kb with that can help in solving your problem

K2TSTS20002: An error occurred while processing an authorization response (invalid_redirect_uri)

https://community.k2.com/t5/K2-blackpearl-Articles/K2TSTS20002-An-error-occurred-while-processing-an-authorization/ta-p/80649

for K2 cloud you can view the following kb

K2 Cloud: (invalid_redirect_uri) error when granting consent to the K2 for Office 365 App

https://help.k2.com/support-services/kbt146128

and

Known Issue: Behavioral change in browsers for handling Cookies causes too many redirects error

https://help.k2.com/kb003468

Hope this is helpful

Regards

HulisaniN

Hi  @HulisaniN ,

Thank you for the sharing.

I have done all the step and verify all the  URL are correct as in the Management and Database but still receving the error.