Hello,
After upgrading of our ArcGIS Enterprise from 10.7 to 10.7.1, everything seem to be working fine except that our trees of our scene do not display anymore.
Checking the console, I see the JSON style do not load:

/geoportal being our webadaptor name.
I checked in ArcGIS Setup directory to check if the files had been properly installed and they are:

Any idea what is wrong ? Any idea how to fix it ?
Thanks,
Nicolas