Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this as a fallback

I am getting the error in istio while access the URLs remaining services working fine, only one service which getting the below errors:

‘127.0.0.6 - - [03/Nov/2022:10:55:32 +0000] “GET ping HTTP/1.1” 400 317 15 - - - -’

Whitelabel Error Page

This application has no explicit mapping for /error, so you are seeing this as a fallback.

There was an unexpected error (type=Bad Request, status=400).

Invalid Argument in the input
Illegal Argument Specified in the Request Headers or Path