@rddrone , you are absolutely right, the snapshot feature was broken. We somehow missed it.
I just fixed it :
https://gitlab.com/voxl-public/voxl-sdk/services/voxl-camera-server/-/commit/6e02fdf2fe6a893b1c9e102a346050dece3e1a7dand removed references to old buffer groups
https://gitlab.com/voxl-public/voxl-sdk/services/voxl-camera-server/-/commit/b84e10c326ad5abd4077c71f28c6d6a4522cc8a0Please try it out!
Alex