Git fatal reference error on deployment or submodule update

Sometimes we face this issue with GIT

fatal: reference is not a tree: d80ee5f27b06e84d40a7d2758525b682aaba7d72

This is because the module has not been pushed to the main repo or the branch has not been pulled on the machine the command is being executed.

Branch issues 

git checkout master
git fetch origin

Submodule issues

git submodule update