Error

Command git submodule update --init --force --recursive source/userthemes failed: Submodule 'source/userthemes' (https://haufs:cEMsag5QRLLDwfkFkWkL@git.xfel.eu/gitlab/detectors/rtfd_theme.git) registered for path 'source/userthemes' Cloning into '/usr/src/app/checkouts/readthedocs.org/user_builds/epix-documentation/checkouts/master/source/userthemes'... remote: The project you were looking for could not be found or you don't have permission to view it. fatal: repository 'https://haufs:cEMsag5QRLLDwfkFkWkL@git.xfel.eu/gitlab/detectors/rtfd_theme.git/' not found fatal: clone of 'https://haufs:cEMsag5QRLLDwfkFkWkL@git.xfel.eu/gitlab/detectors/rtfd_theme.git' into submodule path '/usr/src/app/checkouts/readthedocs.org/user_builds/epix-documentation/checkouts/master/source/userthemes' failed Failed to clone 'source/userthemes'. Retry scheduled Cloning into '/usr/src/app/checkouts/readthedocs.org/user_builds/epix-documentation/checkouts/master/source/userthemes'... remote: The project you were looking for could not be found or you don't have permission to view it. fatal: repository 'https://haufs:cEMsag5QRLLDwfkFkWkL@git.xfel.eu/gitlab/detectors/rtfd_theme.git/' not found fatal: clone of 'https://haufs:cEMsag5QRLLDwfkFkWkL@git.xfel.eu/gitlab/detectors/rtfd_theme.git' into submodule path '/usr/src/app/checkouts/readthedocs.org/user_builds/epix-documentation/checkouts/master/source/userthemes' failed Failed to clone 'source/userthemes' a second time, aborting