Cesium 1.6.7 ne se lance pas sur Ubuntu MATE 20.04

Installation de Cesium via le paquet debian 1.6.7.

Crash au lancement :

[2865:2865:0725/200739.135960:ERROR:component_loader.cc(165)] Failed to parse extension manifest.
[2890:2890:0725/200739.355620:ERROR:sandbox_linux.cc(371)] InitializeSandbox() called with multiple threads in process gpu-process.
[2890:2890:0725/200739.550928:ERROR:buffer_manager.cc(488)] [.DisplayCompositor]GL ERROR :GL_INVALID_OPERATION : glBufferData: <- error from previous GL command
[INFO]  [desktop] Launching Cesium...	{"debug":false,"menu":false,"sdk":true,"home":"/home/vit"}
[ERROR] [desktop] Error while trying to launch Cesium: Cannot read property 'split' of null	TypeError: Cannot read property 'split' of null
    at loadSettings (chrome-extension://eddgpcgfbhhopcmllclnjdoiepjnmnjj/cesium-desktop.js:222:96)
    at startApp (chrome-extension://eddgpcgfbhhopcmllclnjdoiepjnmnjj/cesium-desktop.js:518:5)
    at chrome-extension://eddgpcgfbhhopcmllclnjdoiepjnmnjj/cesium-desktop.js:553:20