I often get following error message:

I am on branch "main"
$ git branch
fix-for-issue-8738
* main
[remote "origin"]
url = git@github.com:JabRef/jabref.git
gh-resolved = base
fetch = +refs/heads/*:refs/remotes/origin/*
[branch "main"]
remote = origin
merge = refs/heads/main
vscode-merge-base = origin/main
$ git remote -v
koppor git@github.com:koppor/jabref.git (fetch)
koppor git@github.com:koppor/jabref.git (push)
origin git@github.com:JabRef/jabref.git (fetch)
origin git@github.com:JabRef/jabref.git (push)
ruslan git@github.com:InAnYan/jabref.git (fetch)
ruslan git@github.com:InAnYan/jabref.git (push)
subrahmit git@github.com:subhramit/jabref.git (fetch)
subrahmit git@github.com:subhramit/jabref.git (push)
I often get following error message:
I am on branch "main"
$ git branch fix-for-issue-8738 * main