Unable to Save System Configuration - 302 Redirect on /manage/configSubmit Endpoint

Unable to save system configuration. Upon inspecting browser console, noticed there is a 302 status code on /manage/configSubmit endpoint.

Jenkins Version: 2.462.3
Env: Jenkin running in k8s
Logs: No warnings or errors seen in logs related to 302 status code.

Did anyone happen to see similar issue ?

We have seen this issue because of WAF policy on lb. Please ignore my question.