repository not found on push and workflow_dispatch

[hsuanguo]

Our repo is a private repo, and it starts to have this error from this morning:

remote: Repository not found.

for any workflow triggered by workflow_dispatch or push.

actions by pull_request work as normal.

and this error appears on both self-hosted runner and normal runners.

it is strange that this only happens on recent commits, if I re-run actions which was executed successfully, there is no issue at all.

Not sure if this is a problem with github or checkout.