Ingress kong Crashloopbackoff "Failed to get API Group-Resources" error=Unauthorized"

Questions
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1

Hello,
could anyone know
The kong ingress controller failed with following error.

level=error msg="Failed to get API Group-Resources" error=Unauthorized                                                                                         
Error: unable to start controller manager: Unauthorized                                                                                                                                    
Error: unable to start controller manager: Unauthorized

thankyou