[Bug]:/internal-auth/oauth2/auth not working

[redboxstudio]

OAuth2-Proxy Version

7.4.1

Provider

keycloak-oidc

Expected Behaviour

auth request should work /internal-auth/oauth2/auth
https://github.com/oauth2-proxy/oauth2-proxy/blob/master/contrib/local-environment/nginx.conf

Current Behaviour

/internal-auth/oauth2/auth eror log nginx print 404

Steps To Reproduce

configure the nginx config according to the published documentation

I have a working configuration based on auth_request /oauth2/auth
location /oauth2/auth
I saw changes in the configs and decided to update mine
but when changes are made
auth_request /internal-auth/oauth2/auth
location /internal-auth/
everything stops working

Possible Solutions

No response

Configuration details or additional information

No response

[redboxstudio]

[error] 13879#0: *81832886 auth request unexpected status: 404 while sending to client

[github-actions]

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