Git pull error when upgrade manually

Hi Everybody

I have a fresh librenms install, with some error. the base system debian 10.
When I run the all of the resoults OK but after run I got an error
Ok I have to upgrade the manually, but when i run got the following error

[email protected]:~$ git pull ./
fatal: invalid gitfile format: ./
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

How can I fix it ?