Validation Failed

Hi there.

I deployed drone in my local docker swarm cluster and has configured oauth in github settings. But when I activate my repo, drone complains a Validation failed error in logs. I don’t know where’s wrong?

here is drone server’s logs:

drone_server.1.95dxcmpzq881@nginx-proxy    | DEBU[0845] api: cannot create or update hook             error="Validation Failed" name=*** namespace=*** request-id=1fhra8h00VKyK2MoWcVjLKwrifu user.login=***

I search the net, found this error is thrown by github. But I ensure that DRONE_GITHUB_CLIENT_ID/DRONE_GITHUB_CLIENT_SECRET have been configured rightly.

Any suggestion to debug ?