Hugo build fails without clearing cache

[luke]

Hi, @serhat. I’m seeing the following error occurring in our backend:

Error fetching branch: https://github.com/SerhatTeker/serhatteker.com refs/heads/tech: From https://github.com/SerhatTeker/serhatteker.com
 * branch            tech       -> FETCH_HEAD
Fetching submodule themes/hello-friend
Fetching submodule themes/hello-friend-ng
Warning: Permanently added 'github.com' (RSA) to the list of known hosts.
fatal: remote error: upload-pack: not our ref 1d438b9303c6b16a61f0061e48281bdf32762227
From https://github.com/SerhatTeker/hugo-theme-hello-friend
 * branch            0b3e41ba1bc76ca2bcd13007d30c32f1425bb002 -> FETCH_HEAD
 * branch            768227b8f0113c3beddea6109bc9d94847f5707a -> FETCH_HEAD
 * branch            77c36a2bbb8c5ad2476fb5088faa9dc4ea3af887 -> FETCH_HEAD
 * branch            d397311c45483fd3a7c39dd04ac5c6b646a3e8aa -> FETCH_HEAD
Errors during submodule fetch:
	themes/hello-friend-ng

Note, if that is a private submodule, the following support guide covers how to enable access:

[Support Guide] How do I access private repositories in the build environment?

Last reviewed by Netlify Support on December 2022 The link from your repository to our service only authenticates us against the “main” repo that you first configured, and won’t automatically allow access to submodules even if they also belong to you and you’ve granted Netlify access to those repositories. In case your submodule is public, you can change the URI schema for it to start with https://, and it should work without further adjustment (so, in .gitmodules, change git@github.com… to h…

If there are other questions after reading that support guide or if the issue is still not resolved, please let us know.