New builds fail with error fetching branch, but "clear cache & deploy site" succeeds

[serhat]

Yes right. Hi.

I checked other suggestions in the forum and GitHub as well. You can see them together alongside my detailed issue log here:

Hugo build fails without clearing cache

I have a site and different sub-branches which all of them integrated to Github CI-CD pipeline to auto-build/deploy. The site (with branches) runs almost for 3 years. Recently I got persistent error on every builds. The build can’t complete the task and give similar error every time: 5:12:01 PM: Build ready to start 5:12:03 PM: build-image version: d84c79427e8f83c1ba17bcdd7b3fe38059376b68 5:12:03 PM: build-image tag: v3.6.1 5:12:03 PM: buildbot version: 28b3358b4c94ec0a3a8c81b155535f3f8c2745…