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Spatial Mapping/Understanding stopped working in Unity Editor

edited March 2019 in Troubleshooting

Hello everybody,

What am I using:
Unity 2017.4.23f1
Holotoolkit 2017.4.3
Project based on the tutorial found here:

I was building an app trying to scan my room with spatial understanding and then saving the results as an .obj file.
I am testing with the Holographic remoting app and on wednesday everything was working fine: I saw my SpatialUnderstanding wireframe mesh (and the mapping mesh too) but now, everytime i add one of these two prefabs to my scene and choose "Remote to Device" nothing shows up anymore in the unity editor when i press play.

Has anyone encountered this problem before? The only additional console output i have is:

Windows Mixed Reality spatial locatability state changed to 3
Display is Transparent

I already tried the usual fixes (activating Spatial Perception). Building the project and opening it with my Hololens everything is displayed. The Mapping/Understanding mesh is never shown in the unity editor, also not in the Holotoolkit example scenes.

Any Help?

Thank you.

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