issue cloning due to missing repo

[huckl3b3rry87]

Typing:

$ git clone https://github.com/CRLab/pc_scene_completion_ws.git --recursive

give the error

Cloning into 'pc_scene_completion_ws'...
remote: Enumerating objects: 1636, done.
remote: Total 1636 (delta 0), reused 0 (delta 0), pack-reused 1636
Receiving objects: 100% (1636/1636), 1.73 MiB | 903.00 KiB/s, done.
Resolving deltas: 100% (389/389), done.
Checking connectivity... done.
Submodule 'external/Curvox' (https://github.com/CURG/Curvox.git) registered for path 'external/Curvox'
Submodule 'external/Mesh_Reconstruction' (https://github.com/CURG/Mesh_Reconstruction.git) registered for path 'external/Mesh_Reconstruction'
Submodule 'external/PyMCubes' (https://github.com/pmneila/PyMCubes.git) registered for path 'external/PyMCubes'
Submodule 'external/binvox-rw-py' (https://github.com/CURG/binvox-rw-py.git) registered for path 'external/binvox-rw-py'
Submodule 'external/keras' (https://github.com/fchollet/keras.git) registered for path 'external/keras'
Submodule 'external/pycollada' (https://github.com/pycollada/pycollada.git) registered for path 'external/pycollada'
Submodule 'external/python-pcl' (https://github.com/ShapeCompletion3D/python-pcl.git) registered for path 'external/python-pcl'
Submodule 'src/pc_filter' (https://github.com/CURG/pc_filter.git) registered for path 'src/pc_filter'
Submodule 'src/pc_object_completion_cnn' (https://github.com/CURG/pc_object_completion_cnn.git) registered for path 'src/pc_object_completion_cnn'
Submodule 'src/pc_object_completion_partial' (https://github.com/CURG/pc_object_completion_partial.git) registered for path 'src/pc_object_completion_partial'
Submodule 'src/pc_pipeline_launch' (https://github.com/CURG/pc_pipeline_launch.git) registered for path 'src/pc_pipeline_launch'
Submodule 'src/pc_pipeline_msgs' (https://github.com/CURG/pc_pipeline_msgs.git) registered for path 'src/pc_pipeline_msgs'
Submodule 'src/pc_scene_completion' (https://github.com/CURG/pc_scene_completion.git) registered for path 'src/pc_scene_completion'
Submodule 'src/pc_scene_completion_client' (https://github.com/CURG/pc_scene_completion_client.git) registered for path 'src/pc_scene_completion_client'
Cloning into 'external/Curvox'...
Username for 'https://github.com': huckl3b3rry87
Password for 'https://huckl3b3rry87@github.com': 
remote: Repository not found.
fatal: repository 'https://github.com/CURG/Curvox.git/' not found
fatal: clone of 'https://github.com/CURG/Curvox.git' into submodule path 'external/Curvox' failed

Is this repo needed? If so did it move or is it available anywhere else?

[huckl3b3rry87]

Is this the repo https://github.com/jvarley/curvox?

Actually it looks like there are many missing from
https://github.com/CURG