Missing Addons repo on Supervised install

I have Supervised Home assistant installed on a VM using the official VDI file from the site,
but I am missing the main addons section in my addons store in the supervisor tab.

I have the community addons but not the main ones
on checking the logs I am getting the below message
does anyone know how to resolve this ?

“20-09-29 20:56:49 ERROR (MainThread) [supervisor.store.git] Can’t update https://github.com/home-assistant/hassio-addons repo: Cmd(‘git’) failed due to: exit code(128)
cmdline: git fetch --depth=1 --update-shallow -v origin
stderr: 'fatal: Unable to create ‘/data/addons/core/.git/shallow.lock’: File exists.
Another git process seems to be running in this repository, e.g.
an editor opened by ‘git commit’. Please make sure all processes
are terminated then try again. If it still fails, a git process
may have crashed in this repository earlier.”