Error

{# I'd like to use ``build.error|urlize`` here, so we can have nice links. However, this is not possible because we are using `data-bind="text: error"` which means that Knockout.js will use the `.error` attribute to fill the content of this tag dynamically. #} Failed to import project: Failed to get code from 'https://github.com/michaelbuehlmann/CatAna.git' (git clone): 1 git clone error output: Cloning into 'external/eigen'... fatal: reference is not a tree: 0b480b16c9f3daf8afb1d768eacc9bd81bfb9658 Cloning into 'external/googletest'... Cloning into 'external/healpixmirror'... Cloning into 'external/pybind11'... Cloning into 'tools/clang'... Unable to checkout '0b480b16c9f3daf8afb1d768eacc9bd81bfb9658' in submodule path 'external/eigen'